408038467240

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{1455409}}^1$

素因数の和:1455626

約数の個数: 64

約数和(自身を含む): 945201470400

約数和(自身を除く): 537163003160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 163, 172, 215, 326, 344, 430, 652, 815, 860, 1304, 1630, 1720, 3260, 6520, 7009, 14018, 28036, 35045, 56072, 70090, 140180, 280360, 1455409, 2910818, 5821636, 7277045, 11643272, 14554090, 29108180, 58216360, 62582587, 125165174, 237231667, 250330348, 312912935, 474463334, 500660696, 625825870, 948926668, 1186158335, 1251651740, 1897853336, 2372316670, 2503303480, 4744633340, 9489266680, 10200961681, 20401923362, 40803846724, 51004808405, 81607693448, 102009616810, 204019233620, 408038467240]

約数ペア:

[(1, 408038467240), (2, 204019233620), (4, 102009616810), (5, 81607693448), (8, 51004808405), (10, 40803846724), (20, 20401923362), (40, 10200961681), (43, 9489266680), (86, 4744633340), (163, 2503303480), (172, 2372316670), (215, 1897853336), (326, 1251651740), (344, 1186158335), (430, 948926668), (652, 625825870), (815, 500660696), (860, 474463334), (1304, 312912935), (1630, 250330348), (1720, 237231667), (3260, 125165174), (6520, 62582587), (7009, 58216360), (14018, 29108180), (28036, 14554090), (35045, 11643272), (56072, 7277045), (70090, 5821636), (140180, 2910818), (280360, 1455409)]