521928680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{143387}}^1$

素因数の和:143418

約数の個数: 64

約数和(自身を含む): 1445351040

約数和(自身を除く): 923422360

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 143387, 286774, 573548, 716935, 1003709, 1147096, 1433870, 1864031, 2007418, 2867740, 3728062, 4014836, 5018545, 5735480, 7456124, 8029672, 9320155, 10037090, 13048217, 14912248, 18640310, 20074180, 26096434, 37280620, 40148360, 52192868, 65241085, 74561240, 104385736, 130482170, 260964340, 521928680]

約数ペア:

[(1, 521928680), (2, 260964340), (4, 130482170), (5, 104385736), (7, 74561240), (8, 65241085), (10, 52192868), (13, 40148360), (14, 37280620), (20, 26096434), (26, 20074180), (28, 18640310), (35, 14912248), (40, 13048217), (52, 10037090), (56, 9320155), (65, 8029672), (70, 7456124), (91, 5735480), (104, 5018545), (130, 4014836), (140, 3728062), (182, 2867740), (260, 2007418), (280, 1864031), (364, 1433870), (455, 1147096), (520, 1003709), (728, 716935), (910, 573548), (1820, 286774), (3640, 143387)]