1804660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{631}}^1$

素因数の和:664

約数の個数: 48

約数和(自身を含む): 4459392

約数和(自身を除く): 2654732

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 631, 715, 1262, 1430, 2524, 2860, 3155, 6310, 6941, 8203, 12620, 13882, 16406, 27764, 32812, 34705, 41015, 69410, 82030, 90233, 138820, 164060, 180466, 360932, 451165, 902330, 1804660]

約数ペア:

[(1, 1804660), (2, 902330), (4, 451165), (5, 360932), (10, 180466), (11, 164060), (13, 138820), (20, 90233), (22, 82030), (26, 69410), (44, 41015), (52, 34705), (55, 32812), (65, 27764), (110, 16406), (130, 13882), (143, 12620), (220, 8203), (260, 6941), (286, 6310), (572, 3155), (631, 2860), (715, 2524), (1262, 1430)]