90389390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1399}}^1$

素因数の和:1497

約数の個数: 64

約数和(自身を含む): 203212800

約数和(自身を除く): 112823410

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 71, 91, 130, 142, 182, 355, 455, 497, 710, 910, 923, 994, 1399, 1846, 2485, 2798, 4615, 4970, 6461, 6995, 9230, 9793, 12922, 13990, 18187, 19586, 32305, 36374, 48965, 64610, 90935, 97930, 99329, 127309, 181870, 198658, 254618, 496645, 636545, 695303, 993290, 1273090, 1291277, 1390606, 2582554, 3476515, 6456385, 6953030, 9038939, 12912770, 18077878, 45194695, 90389390]

約数ペア:

[(1, 90389390), (2, 45194695), (5, 18077878), (7, 12912770), (10, 9038939), (13, 6953030), (14, 6456385), (26, 3476515), (35, 2582554), (65, 1390606), (70, 1291277), (71, 1273090), (91, 993290), (130, 695303), (142, 636545), (182, 496645), (355, 254618), (455, 198658), (497, 181870), (710, 127309), (910, 99329), (923, 97930), (994, 90935), (1399, 64610), (1846, 48965), (2485, 36374), (2798, 32305), (4615, 19586), (4970, 18187), (6461, 13990), (6995, 12922), (9230, 9793)]