1854879260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{1129}}^1$

素因数の和:1311

約数の個数: 96

約数和(自身を含む): 4305571200

約数和(自身を除く): 2450691940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 89, 130, 142, 178, 260, 284, 355, 356, 445, 710, 890, 923, 1129, 1157, 1420, 1780, 1846, 2258, 2314, 3692, 4516, 4615, 4628, 5645, 5785, 6319, 9230, 11290, 11570, 12638, 14677, 18460, 22580, 23140, 25276, 29354, 31595, 58708, 63190, 73385, 80159, 82147, 100481, 126380, 146770, 160318, 164294, 200962, 293540, 320636, 328588, 400795, 401924, 410735, 502405, 801590, 821470, 1004810, 1042067, 1306253, 1603180, 1642940, 2009620, 2084134, 2612506, 4168268, 5210335, 5225012, 6531265, 7134151, 10420670, 13062530, 14268302, 20841340, 26125060, 28536604, 35670755, 71341510, 92743963, 142683020, 185487926, 370975852, 463719815, 927439630, 1854879260]

約数ペア:

[(1, 1854879260), (2, 927439630), (4, 463719815), (5, 370975852), (10, 185487926), (13, 142683020), (20, 92743963), (26, 71341510), (52, 35670755), (65, 28536604), (71, 26125060), (89, 20841340), (130, 14268302), (142, 13062530), (178, 10420670), (260, 7134151), (284, 6531265), (355, 5225012), (356, 5210335), (445, 4168268), (710, 2612506), (890, 2084134), (923, 2009620), (1129, 1642940), (1157, 1603180), (1420, 1306253), (1780, 1042067), (1846, 1004810), (2258, 821470), (2314, 801590), (3692, 502405), (4516, 410735), (4615, 401924), (4628, 400795), (5645, 328588), (5785, 320636), (6319, 293540), (9230, 200962), (11290, 164294), (11570, 160318), (12638, 146770), (14677, 126380), (18460, 100481), (22580, 82147), (23140, 80159), (25276, 73385), (29354, 63190), (31595, 58708)]