7019740

素因数分解:

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

素因数の和:84

約数の個数: 144

約数和(自身を含む): 20109600

約数和(自身を除く): 13089860

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 29, 35, 38, 49, 52, 58, 65, 70, 76, 91, 95, 98, 116, 130, 133, 140, 145, 182, 190, 196, 203, 245, 247, 260, 266, 290, 364, 377, 380, 406, 455, 490, 494, 532, 551, 580, 637, 665, 754, 812, 910, 931, 980, 988, 1015, 1102, 1235, 1274, 1330, 1421, 1508, 1729, 1820, 1862, 1885, 2030, 2204, 2470, 2548, 2639, 2660, 2755, 2842, 3185, 3458, 3724, 3770, 3857, 4060, 4655, 4940, 5278, 5510, 5684, 6370, 6916, 7105, 7163, 7540, 7714, 8645, 9310, 10556, 11020, 12103, 12740, 13195, 14210, 14326, 15428, 17290, 18473, 18620, 19285, 24206, 26390, 26999, 28420, 28652, 34580, 35815, 36946, 38570, 48412, 50141, 52780, 53998, 60515, 71630, 73892, 77140, 92365, 100282, 107996, 121030, 134995, 143260, 184730, 200564, 242060, 250705, 269990, 350987, 369460, 501410, 539980, 701974, 1002820, 1403948, 1754935, 3509870, 7019740]

約数ペア:

[(1, 7019740), (2, 3509870), (4, 1754935), (5, 1403948), (7, 1002820), (10, 701974), (13, 539980), (14, 501410), (19, 369460), (20, 350987), (26, 269990), (28, 250705), (29, 242060), (35, 200564), (38, 184730), (49, 143260), (52, 134995), (58, 121030), (65, 107996), (70, 100282), (76, 92365), (91, 77140), (95, 73892), (98, 71630), (116, 60515), (130, 53998), (133, 52780), (140, 50141), (145, 48412), (182, 38570), (190, 36946), (196, 35815), (203, 34580), (245, 28652), (247, 28420), (260, 26999), (266, 26390), (290, 24206), (364, 19285), (377, 18620), (380, 18473), (406, 17290), (455, 15428), (490, 14326), (494, 14210), (532, 13195), (551, 12740), (580, 12103), (637, 11020), (665, 10556), (754, 9310), (812, 8645), (910, 7714), (931, 7540), (980, 7163), (988, 7105), (1015, 6916), (1102, 6370), (1235, 5684), (1274, 5510), (1330, 5278), (1421, 4940), (1508, 4655), (1729, 4060), (1820, 3857), (1862, 3770), (1885, 3724), (2030, 3458), (2204, 3185), (2470, 2842), (2548, 2755), (2639, 2660)]