201390460

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{313}}^1\times {\mathrm{607}}^1$

素因数の和:982

約数の個数: 48

約数和(自身を含む): 432988416

約数和(自身を除く): 231597956

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 313, 530, 607, 626, 1060, 1214, 1252, 1565, 2428, 3035, 3130, 6070, 6260, 12140, 16589, 32171, 33178, 64342, 66356, 82945, 128684, 160855, 165890, 189991, 321710, 331780, 379982, 643420, 759964, 949955, 1899910, 3799820, 10069523, 20139046, 40278092, 50347615, 100695230, 201390460]

約数ペア:

[(1, 201390460), (2, 100695230), (4, 50347615), (5, 40278092), (10, 20139046), (20, 10069523), (53, 3799820), (106, 1899910), (212, 949955), (265, 759964), (313, 643420), (530, 379982), (607, 331780), (626, 321710), (1060, 189991), (1214, 165890), (1252, 160855), (1565, 128684), (2428, 82945), (3035, 66356), (3130, 64342), (6070, 33178), (6260, 32171), (12140, 16589)]