217996380

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{571}}^1$

素因数の和:697

約数の個数: 192

約数和(自身を含む): 784143360

約数和(自身を除く): 566146980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 101, 105, 108, 126, 135, 140, 180, 189, 202, 210, 252, 270, 303, 315, 378, 404, 420, 505, 540, 571, 606, 630, 707, 756, 909, 945, 1010, 1142, 1212, 1260, 1414, 1515, 1713, 1818, 1890, 2020, 2121, 2284, 2727, 2828, 2855, 3030, 3426, 3535, 3636, 3780, 3997, 4242, 4545, 5139, 5454, 5710, 6060, 6363, 6852, 7070, 7994, 8484, 8565, 9090, 10278, 10605, 10908, 11420, 11991, 12726, 13635, 14140, 15417, 15988, 17130, 18180, 19089, 19985, 20556, 21210, 23982, 25452, 25695, 27270, 30834, 31815, 34260, 35973, 38178, 39970, 42420, 47964, 51390, 54540, 57671, 59955, 61668, 63630, 71946, 76356, 77085, 79940, 95445, 102780, 107919, 115342, 119910, 127260, 143892, 154170, 173013, 179865, 190890, 215838, 230684, 239820, 288355, 308340, 346026, 359730, 381780, 403697, 431676, 519039, 539595, 576710, 692052, 719460, 807394, 865065, 1038078, 1079190, 1153420, 1211091, 1557117, 1614788, 1730130, 2018485, 2076156, 2158380, 2422182, 2595195, 3114234, 3460260, 3633273, 4036970, 4844364, 5190390, 6055455, 6228468, 7266546, 7785585, 8073940, 10380780, 10899819, 12110910, 14533092, 15571170, 18166365, 21799638, 24221820, 31142340, 36332730, 43599276, 54499095, 72665460, 108998190, 217996380]

約数ペア:

[(1, 217996380), (2, 108998190), (3, 72665460), (4, 54499095), (5, 43599276), (6, 36332730), (7, 31142340), (9, 24221820), (10, 21799638), (12, 18166365), (14, 15571170), (15, 14533092), (18, 12110910), (20, 10899819), (21, 10380780), (27, 8073940), (28, 7785585), (30, 7266546), (35, 6228468), (36, 6055455), (42, 5190390), (45, 4844364), (54, 4036970), (60, 3633273), (63, 3460260), (70, 3114234), (84, 2595195), (90, 2422182), (101, 2158380), (105, 2076156), (108, 2018485), (126, 1730130), (135, 1614788), (140, 1557117), (180, 1211091), (189, 1153420), (202, 1079190), (210, 1038078), (252, 865065), (270, 807394), (303, 719460), (315, 692052), (378, 576710), (404, 539595), (420, 519039), (505, 431676), (540, 403697), (571, 381780), (606, 359730), (630, 346026), (707, 308340), (756, 288355), (909, 239820), (945, 230684), (1010, 215838), (1142, 190890), (1212, 179865), (1260, 173013), (1414, 154170), (1515, 143892), (1713, 127260), (1818, 119910), (1890, 115342), (2020, 107919), (2121, 102780), (2284, 95445), (2727, 79940), (2828, 77085), (2855, 76356), (3030, 71946), (3426, 63630), (3535, 61668), (3636, 59955), (3780, 57671), (3997, 54540), (4242, 51390), (4545, 47964), (5139, 42420), (5454, 39970), (5710, 38178), (6060, 35973), (6363, 34260), (6852, 31815), (7070, 30834), (7994, 27270), (8484, 25695), (8565, 25452), (9090, 23982), (10278, 21210), (10605, 20556), (10908, 19985), (11420, 19089), (11991, 18180), (12726, 17130), (13635, 15988), (14140, 15417)]