17418440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:127

約数の個数: 128

約数和(自身を含む): 46569600

約数和(自身を除く): 29151160

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 41, 43, 52, 65, 76, 82, 86, 95, 104, 130, 152, 164, 172, 190, 205, 215, 247, 260, 328, 344, 380, 410, 430, 494, 520, 533, 559, 760, 779, 817, 820, 860, 988, 1066, 1118, 1235, 1558, 1634, 1640, 1720, 1763, 1976, 2132, 2236, 2470, 2665, 2795, 3116, 3268, 3526, 3895, 4085, 4264, 4472, 4940, 5330, 5590, 6232, 6536, 7052, 7790, 8170, 8815, 9880, 10127, 10621, 10660, 11180, 14104, 15580, 16340, 17630, 20254, 21242, 21320, 22360, 22919, 31160, 32680, 33497, 35260, 40508, 42484, 45838, 50635, 53105, 66994, 70520, 81016, 84968, 91676, 101270, 106210, 114595, 133988, 167485, 183352, 202540, 212420, 229190, 267976, 334970, 405080, 424840, 435461, 458380, 669940, 870922, 916760, 1339880, 1741844, 2177305, 3483688, 4354610, 8709220, 17418440]

約数ペア:

[(1, 17418440), (2, 8709220), (4, 4354610), (5, 3483688), (8, 2177305), (10, 1741844), (13, 1339880), (19, 916760), (20, 870922), (26, 669940), (38, 458380), (40, 435461), (41, 424840), (43, 405080), (52, 334970), (65, 267976), (76, 229190), (82, 212420), (86, 202540), (95, 183352), (104, 167485), (130, 133988), (152, 114595), (164, 106210), (172, 101270), (190, 91676), (205, 84968), (215, 81016), (247, 70520), (260, 66994), (328, 53105), (344, 50635), (380, 45838), (410, 42484), (430, 40508), (494, 35260), (520, 33497), (533, 32680), (559, 31160), (760, 22919), (779, 22360), (817, 21320), (820, 21242), (860, 20254), (988, 17630), (1066, 16340), (1118, 15580), (1235, 14104), (1558, 11180), (1634, 10660), (1640, 10621), (1720, 10127), (1763, 9880), (1976, 8815), (2132, 8170), (2236, 7790), (2470, 7052), (2665, 6536), (2795, 6232), (3116, 5590), (3268, 5330), (3526, 4940), (3895, 4472), (4085, 4264)]