248291260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{24979}}^1$

素因数の和:25066

約数の個数: 48

約数和(自身を含む): 604316160

約数和(自身を除く): 356024900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 9940, 24979, 49958, 99916, 124895, 174853, 249790, 349706, 499580, 699412, 874265, 1748530, 1773509, 3497060, 3547018, 7094036, 8867545, 12414563, 17735090, 24829126, 35470180, 49658252, 62072815, 124145630, 248291260]

約数ペア:

[(1, 248291260), (2, 124145630), (4, 62072815), (5, 49658252), (7, 35470180), (10, 24829126), (14, 17735090), (20, 12414563), (28, 8867545), (35, 7094036), (70, 3547018), (71, 3497060), (140, 1773509), (142, 1748530), (284, 874265), (355, 699412), (497, 499580), (710, 349706), (994, 249790), (1420, 174853), (1988, 124895), (2485, 99916), (4970, 49958), (9940, 24979)]