74385420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{12781}}^1$

素因数の和:12890

約数の個数: 48

約数和(自身を含む): 210442848

約数和(自身を除く): 136057428

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 97, 194, 291, 388, 485, 582, 970, 1164, 1455, 1940, 2910, 5820, 12781, 25562, 38343, 51124, 63905, 76686, 127810, 153372, 191715, 255620, 383430, 766860, 1239757, 2479514, 3719271, 4959028, 6198785, 7438542, 12397570, 14877084, 18596355, 24795140, 37192710, 74385420]

約数ペア:

[(1, 74385420), (2, 37192710), (3, 24795140), (4, 18596355), (5, 14877084), (6, 12397570), (10, 7438542), (12, 6198785), (15, 4959028), (20, 3719271), (30, 2479514), (60, 1239757), (97, 766860), (194, 383430), (291, 255620), (388, 191715), (485, 153372), (582, 127810), (970, 76686), (1164, 63905), (1455, 51124), (1940, 38343), (2910, 25562), (5820, 12781)]