90521860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1021}}^1$

素因数の和:1085

約数の個数: 96

約数和(自身を含む): 230759424

約数和(自身を除く): 140237564

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 31, 44, 52, 55, 62, 65, 110, 124, 130, 143, 155, 220, 260, 286, 310, 341, 403, 572, 620, 682, 715, 806, 1021, 1364, 1430, 1612, 1705, 2015, 2042, 2860, 3410, 4030, 4084, 4433, 5105, 6820, 8060, 8866, 10210, 11231, 13273, 17732, 20420, 22165, 22462, 26546, 31651, 44330, 44924, 53092, 56155, 63302, 66365, 88660, 112310, 126604, 132730, 146003, 158255, 224620, 265460, 292006, 316510, 348161, 411463, 584012, 633020, 696322, 730015, 822926, 1392644, 1460030, 1645852, 1740805, 2057315, 2920060, 3481610, 4114630, 4526093, 6963220, 8229260, 9052186, 18104372, 22630465, 45260930, 90521860]

約数ペア:

[(1, 90521860), (2, 45260930), (4, 22630465), (5, 18104372), (10, 9052186), (11, 8229260), (13, 6963220), (20, 4526093), (22, 4114630), (26, 3481610), (31, 2920060), (44, 2057315), (52, 1740805), (55, 1645852), (62, 1460030), (65, 1392644), (110, 822926), (124, 730015), (130, 696322), (143, 633020), (155, 584012), (220, 411463), (260, 348161), (286, 316510), (310, 292006), (341, 265460), (403, 224620), (572, 158255), (620, 146003), (682, 132730), (715, 126604), (806, 112310), (1021, 88660), (1364, 66365), (1430, 63302), (1612, 56155), (1705, 53092), (2015, 44924), (2042, 44330), (2860, 31651), (3410, 26546), (4030, 22462), (4084, 22165), (4433, 20420), (5105, 17732), (6820, 13273), (8060, 11231), (8866, 10210)]