128306210

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{2741}}^1$

素因数の和:2930

約数の個数: 32

約数和(自身を含む): 240067584

約数和(自身を除く): 111761374

約数列:

[1, 2, 5, 10, 31, 62, 151, 155, 302, 310, 755, 1510, 2741, 4681, 5482, 9362, 13705, 23405, 27410, 46810, 84971, 169942, 413891, 424855, 827782, 849710, 2069455, 4138910, 12830621, 25661242, 64153105, 128306210]

約数ペア:

[(1, 128306210), (2, 64153105), (5, 25661242), (10, 12830621), (31, 4138910), (62, 2069455), (151, 849710), (155, 827782), (302, 424855), (310, 413891), (755, 169942), (1510, 84971), (2741, 46810), (4681, 27410), (5482, 23405), (9362, 13705)]