396282920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1709}}^1$

素因数の和:1779

約数の個数: 128

約数和(自身を含む): 1063756800

約数和(自身を除く): 667473880

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 31, 34, 40, 44, 55, 62, 68, 85, 88, 110, 124, 136, 155, 170, 187, 220, 248, 310, 340, 341, 374, 440, 527, 620, 680, 682, 748, 935, 1054, 1240, 1364, 1496, 1705, 1709, 1870, 2108, 2635, 2728, 3410, 3418, 3740, 4216, 5270, 5797, 6820, 6836, 7480, 8545, 10540, 11594, 13640, 13672, 17090, 18799, 21080, 23188, 28985, 29053, 34180, 37598, 46376, 52979, 57970, 58106, 68360, 75196, 93995, 105958, 115940, 116212, 145265, 150392, 187990, 211916, 231880, 232424, 264895, 290530, 319583, 375980, 423832, 529790, 581060, 582769, 639166, 751960, 900643, 1059580, 1162120, 1165538, 1278332, 1597915, 1801286, 2119160, 2331076, 2556664, 2913845, 3195830, 3602572, 4503215, 4662152, 5827690, 6391660, 7205144, 9006430, 9907073, 11655380, 12783320, 18012860, 19814146, 23310760, 36025720, 39628292, 49535365, 79256584, 99070730, 198141460, 396282920]

約数ペア:

[(1, 396282920), (2, 198141460), (4, 99070730), (5, 79256584), (8, 49535365), (10, 39628292), (11, 36025720), (17, 23310760), (20, 19814146), (22, 18012860), (31, 12783320), (34, 11655380), (40, 9907073), (44, 9006430), (55, 7205144), (62, 6391660), (68, 5827690), (85, 4662152), (88, 4503215), (110, 3602572), (124, 3195830), (136, 2913845), (155, 2556664), (170, 2331076), (187, 2119160), (220, 1801286), (248, 1597915), (310, 1278332), (340, 1165538), (341, 1162120), (374, 1059580), (440, 900643), (527, 751960), (620, 639166), (680, 582769), (682, 581060), (748, 529790), (935, 423832), (1054, 375980), (1240, 319583), (1364, 290530), (1496, 264895), (1705, 232424), (1709, 231880), (1870, 211916), (2108, 187990), (2635, 150392), (2728, 145265), (3410, 116212), (3418, 115940), (3740, 105958), (4216, 93995), (5270, 75196), (5797, 68360), (6820, 58106), (6836, 57970), (7480, 52979), (8545, 46376), (10540, 37598), (11594, 34180), (13640, 29053), (13672, 28985), (17090, 23188), (18799, 21080)]