268738040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{1873}}^1$

素因数の和:2112

約数の個数: 64

約数和(自身を含む): 643606560

約数和(自身を除く): 374868520

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 211, 340, 422, 680, 844, 1055, 1688, 1873, 2110, 3587, 3746, 4220, 7174, 7492, 8440, 9365, 14348, 14984, 17935, 18730, 28696, 31841, 35870, 37460, 63682, 71740, 74920, 127364, 143480, 159205, 254728, 318410, 395203, 636820, 790406, 1273640, 1580812, 1976015, 3161624, 3952030, 6718451, 7904060, 13436902, 15808120, 26873804, 33592255, 53747608, 67184510, 134369020, 268738040]

約数ペア:

[(1, 268738040), (2, 134369020), (4, 67184510), (5, 53747608), (8, 33592255), (10, 26873804), (17, 15808120), (20, 13436902), (34, 7904060), (40, 6718451), (68, 3952030), (85, 3161624), (136, 1976015), (170, 1580812), (211, 1273640), (340, 790406), (422, 636820), (680, 395203), (844, 318410), (1055, 254728), (1688, 159205), (1873, 143480), (2110, 127364), (3587, 74920), (3746, 71740), (4220, 63682), (7174, 37460), (7492, 35870), (8440, 31841), (9365, 28696), (14348, 18730), (14984, 17935)]