489658520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1$

素因数の和:349

約数の個数: 128

約数和(自身を含む): 1227441600

約数和(自身を除く): 737783080

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 53, 65, 104, 106, 109, 130, 163, 212, 218, 260, 265, 326, 424, 436, 520, 530, 545, 652, 689, 815, 872, 1060, 1090, 1304, 1378, 1417, 1630, 2119, 2120, 2180, 2756, 2834, 3260, 3445, 4238, 4360, 5512, 5668, 5777, 6520, 6890, 7085, 8476, 8639, 10595, 11336, 11554, 13780, 14170, 16952, 17278, 17767, 21190, 23108, 27560, 28340, 28885, 34556, 35534, 42380, 43195, 46216, 56680, 57770, 69112, 71068, 75101, 84760, 86390, 88835, 112307, 115540, 142136, 150202, 172780, 177670, 224614, 230971, 231080, 300404, 345560, 355340, 375505, 449228, 461942, 561535, 600808, 710680, 751010, 898456, 923884, 941651, 1123070, 1154855, 1502020, 1847768, 1883302, 2246140, 2309710, 3004040, 3766604, 4492280, 4619420, 4708255, 7533208, 9238840, 9416510, 12241463, 18833020, 24482926, 37666040, 48965852, 61207315, 97931704, 122414630, 244829260, 489658520]

約数ペア:

[(1, 489658520), (2, 244829260), (4, 122414630), (5, 97931704), (8, 61207315), (10, 48965852), (13, 37666040), (20, 24482926), (26, 18833020), (40, 12241463), (52, 9416510), (53, 9238840), (65, 7533208), (104, 4708255), (106, 4619420), (109, 4492280), (130, 3766604), (163, 3004040), (212, 2309710), (218, 2246140), (260, 1883302), (265, 1847768), (326, 1502020), (424, 1154855), (436, 1123070), (520, 941651), (530, 923884), (545, 898456), (652, 751010), (689, 710680), (815, 600808), (872, 561535), (1060, 461942), (1090, 449228), (1304, 375505), (1378, 355340), (1417, 345560), (1630, 300404), (2119, 231080), (2120, 230971), (2180, 224614), (2756, 177670), (2834, 172780), (3260, 150202), (3445, 142136), (4238, 115540), (4360, 112307), (5512, 88835), (5668, 86390), (5777, 84760), (6520, 75101), (6890, 71068), (7085, 69112), (8476, 57770), (8639, 56680), (10595, 46216), (11336, 43195), (11554, 42380), (13780, 35534), (14170, 34556), (16952, 28885), (17278, 28340), (17767, 27560), (21190, 23108)]