2785640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1$

素因数の和:522

約数の個数: 64

約数和(自身を含む): 7378560

約数和(自身を除く): 4592920

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 487, 520, 572, 715, 974, 1144, 1430, 1948, 2435, 2860, 3896, 4870, 5357, 5720, 6331, 9740, 10714, 12662, 19480, 21428, 25324, 26785, 31655, 42856, 50648, 53570, 63310, 69641, 107140, 126620, 139282, 214280, 253240, 278564, 348205, 557128, 696410, 1392820, 2785640]

約数ペア:

[(1, 2785640), (2, 1392820), (4, 696410), (5, 557128), (8, 348205), (10, 278564), (11, 253240), (13, 214280), (20, 139282), (22, 126620), (26, 107140), (40, 69641), (44, 63310), (52, 53570), (55, 50648), (65, 42856), (88, 31655), (104, 26785), (110, 25324), (130, 21428), (143, 19480), (220, 12662), (260, 10714), (286, 9740), (440, 6331), (487, 5720), (520, 5357), (572, 4870), (715, 3896), (974, 2860), (1144, 2435), (1430, 1948)]