51851940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{123457}}^1$

素因数の和:123476

約数の個数: 48

約数和(自身を含む): 165927552

約数和(自身を除く): 114075612

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 123457, 246914, 370371, 493828, 617285, 740742, 864199, 1234570, 1481484, 1728398, 1851855, 2469140, 2592597, 3456796, 3703710, 4320995, 5185194, 7407420, 8641990, 10370388, 12962985, 17283980, 25925970, 51851940]

約数ペア:

[(1, 51851940), (2, 25925970), (3, 17283980), (4, 12962985), (5, 10370388), (6, 8641990), (7, 7407420), (10, 5185194), (12, 4320995), (14, 3703710), (15, 3456796), (20, 2592597), (21, 2469140), (28, 1851855), (30, 1728398), (35, 1481484), (42, 1234570), (60, 864199), (70, 740742), (84, 617285), (105, 493828), (140, 370371), (210, 246914), (420, 123457)]