217611940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:115

約数の個数: 288

約数和(自身を含む): 643507200

約数和(自身を除く): 425895260

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 29, 31, 35, 38, 49, 52, 58, 62, 65, 70, 76, 91, 95, 98, 116, 124, 130, 133, 140, 145, 155, 182, 190, 196, 203, 217, 245, 247, 260, 266, 290, 310, 364, 377, 380, 403, 406, 434, 455, 490, 494, 532, 551, 580, 589, 620, 637, 665, 754, 806, 812, 868, 899, 910, 931, 980, 988, 1015, 1085, 1102, 1178, 1235, 1274, 1330, 1421, 1508, 1519, 1612, 1729, 1798, 1820, 1862, 1885, 2015, 2030, 2170, 2204, 2356, 2470, 2548, 2639, 2660, 2755, 2821, 2842, 2945, 3038, 3185, 3458, 3596, 3724, 3770, 3857, 4030, 4060, 4123, 4340, 4495, 4655, 4940, 5278, 5510, 5642, 5684, 5890, 6076, 6293, 6370, 6916, 7105, 7163, 7540, 7595, 7657, 7714, 8060, 8246, 8645, 8990, 9310, 10556, 11020, 11284, 11687, 11780, 12103, 12586, 12740, 13195, 14105, 14210, 14326, 15190, 15314, 15428, 16492, 17081, 17290, 17980, 18473, 18620, 19285, 19747, 20615, 23374, 24206, 25172, 26390, 26999, 28210, 28420, 28652, 28861, 30380, 30628, 31465, 34162, 34580, 35815, 36946, 38285, 38570, 39494, 41230, 44051, 46748, 48412, 50141, 52780, 53599, 53998, 56420, 57722, 58435, 60515, 62930, 68324, 71630, 73892, 76570, 77140, 78988, 81809, 82460, 85405, 88102, 92365, 98735, 100282, 107198, 107996, 115444, 116870, 119567, 121030, 125860, 134995, 143260, 144305, 153140, 163618, 170810, 176204, 184730, 197470, 200564, 214396, 220255, 222053, 233740, 239134, 242060, 250705, 267995, 269990, 288610, 327236, 341620, 350987, 369460, 375193, 394940, 409045, 440510, 444106, 478268, 501410, 535990, 539980, 572663, 577220, 597835, 701974, 750386, 818090, 836969, 881020, 888212, 1002820, 1071980, 1110265, 1145326, 1195670, 1403948, 1500772, 1554371, 1636180, 1673938, 1754935, 1875965, 2220530, 2290652, 2391340, 2863315, 3108742, 3347876, 3509870, 3751930, 4184845, 4441060, 5726630, 6217484, 7019740, 7503860, 7771855, 8369690, 10880597, 11453260, 15543710, 16739380, 21761194, 31087420, 43522388, 54402985, 108805970, 217611940]

約数ペア:

[(1, 217611940), (2, 108805970), (4, 54402985), (5, 43522388), (7, 31087420), (10, 21761194), (13, 16739380), (14, 15543710), (19, 11453260), (20, 10880597), (26, 8369690), (28, 7771855), (29, 7503860), (31, 7019740), (35, 6217484), (38, 5726630), (49, 4441060), (52, 4184845), (58, 3751930), (62, 3509870), (65, 3347876), (70, 3108742), (76, 2863315), (91, 2391340), (95, 2290652), (98, 2220530), (116, 1875965), (124, 1754935), (130, 1673938), (133, 1636180), (140, 1554371), (145, 1500772), (155, 1403948), (182, 1195670), (190, 1145326), (196, 1110265), (203, 1071980), (217, 1002820), (245, 888212), (247, 881020), (260, 836969), (266, 818090), (290, 750386), (310, 701974), (364, 597835), (377, 577220), (380, 572663), (403, 539980), (406, 535990), (434, 501410), (455, 478268), (490, 444106), (494, 440510), (532, 409045), (551, 394940), (580, 375193), (589, 369460), (620, 350987), (637, 341620), (665, 327236), (754, 288610), (806, 269990), (812, 267995), (868, 250705), (899, 242060), (910, 239134), (931, 233740), (980, 222053), (988, 220255), (1015, 214396), (1085, 200564), (1102, 197470), (1178, 184730), (1235, 176204), (1274, 170810), (1330, 163618), (1421, 153140), (1508, 144305), (1519, 143260), (1612, 134995), (1729, 125860), (1798, 121030), (1820, 119567), (1862, 116870), (1885, 115444), (2015, 107996), (2030, 107198), (2170, 100282), (2204, 98735), (2356, 92365), (2470, 88102), (2548, 85405), (2639, 82460), (2660, 81809), (2755, 78988), (2821, 77140), (2842, 76570), (2945, 73892), (3038, 71630), (3185, 68324), (3458, 62930), (3596, 60515), (3724, 58435), (3770, 57722), (3857, 56420), (4030, 53998), (4060, 53599), (4123, 52780), (4340, 50141), (4495, 48412), (4655, 46748), (4940, 44051), (5278, 41230), (5510, 39494), (5642, 38570), (5684, 38285), (5890, 36946), (6076, 35815), (6293, 34580), (6370, 34162), (6916, 31465), (7105, 30628), (7163, 30380), (7540, 28861), (7595, 28652), (7657, 28420), (7714, 28210), (8060, 26999), (8246, 26390), (8645, 25172), (8990, 24206), (9310, 23374), (10556, 20615), (11020, 19747), (11284, 19285), (11687, 18620), (11780, 18473), (12103, 17980), (12586, 17290), (12740, 17081), (13195, 16492), (14105, 15428), (14210, 15314), (14326, 15190)]