217871940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{379}}^1$

素因数の和:482

約数の個数: 192

約数和(自身を含む): 729308160

約数和(自身を除く): 511436220

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 15, 20, 22, 26, 30, 33, 39, 44, 52, 55, 60, 65, 66, 67, 78, 110, 130, 132, 134, 143, 156, 165, 195, 201, 220, 260, 268, 286, 330, 335, 379, 390, 402, 429, 572, 660, 670, 715, 737, 758, 780, 804, 858, 871, 1005, 1137, 1340, 1430, 1474, 1516, 1716, 1742, 1895, 2010, 2145, 2211, 2274, 2613, 2860, 2948, 3484, 3685, 3790, 4020, 4169, 4290, 4355, 4422, 4548, 4927, 5226, 5685, 7370, 7580, 8338, 8580, 8710, 8844, 9581, 9854, 10452, 11055, 11370, 12507, 13065, 14740, 14781, 16676, 17420, 19162, 19708, 20845, 22110, 22740, 24635, 25014, 25393, 26130, 28743, 29562, 38324, 41690, 44220, 47905, 49270, 50028, 50786, 52260, 54197, 57486, 59124, 62535, 73905, 76179, 83380, 95810, 98540, 101572, 108394, 114972, 125070, 126965, 143715, 147810, 152358, 162591, 191620, 216788, 250140, 253930, 270985, 279323, 287430, 295620, 304716, 325182, 330109, 380895, 507860, 541970, 558646, 574860, 650364, 660218, 761790, 812955, 837969, 990327, 1083940, 1117292, 1320436, 1396615, 1523580, 1625910, 1650545, 1675938, 1980654, 2793230, 3251820, 3301090, 3351876, 3631199, 3961308, 4189845, 4951635, 5586460, 6602180, 7262398, 8379690, 9903270, 10893597, 14524796, 16759380, 18155995, 19806540, 21787194, 36311990, 43574388, 54467985, 72623980, 108935970, 217871940]

約数ペア:

[(1, 217871940), (2, 108935970), (3, 72623980), (4, 54467985), (5, 43574388), (6, 36311990), (10, 21787194), (11, 19806540), (12, 18155995), (13, 16759380), (15, 14524796), (20, 10893597), (22, 9903270), (26, 8379690), (30, 7262398), (33, 6602180), (39, 5586460), (44, 4951635), (52, 4189845), (55, 3961308), (60, 3631199), (65, 3351876), (66, 3301090), (67, 3251820), (78, 2793230), (110, 1980654), (130, 1675938), (132, 1650545), (134, 1625910), (143, 1523580), (156, 1396615), (165, 1320436), (195, 1117292), (201, 1083940), (220, 990327), (260, 837969), (268, 812955), (286, 761790), (330, 660218), (335, 650364), (379, 574860), (390, 558646), (402, 541970), (429, 507860), (572, 380895), (660, 330109), (670, 325182), (715, 304716), (737, 295620), (758, 287430), (780, 279323), (804, 270985), (858, 253930), (871, 250140), (1005, 216788), (1137, 191620), (1340, 162591), (1430, 152358), (1474, 147810), (1516, 143715), (1716, 126965), (1742, 125070), (1895, 114972), (2010, 108394), (2145, 101572), (2211, 98540), (2274, 95810), (2613, 83380), (2860, 76179), (2948, 73905), (3484, 62535), (3685, 59124), (3790, 57486), (4020, 54197), (4169, 52260), (4290, 50786), (4355, 50028), (4422, 49270), (4548, 47905), (4927, 44220), (5226, 41690), (5685, 38324), (7370, 29562), (7580, 28743), (8338, 26130), (8580, 25393), (8710, 25014), (8844, 24635), (9581, 22740), (9854, 22110), (10452, 20845), (11055, 19708), (11370, 19162), (12507, 17420), (13065, 16676), (14740, 14781)]