408756730

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{4111}}^1$

素因数の和:4342

約数の個数: 32

約数和(自身を含む): 752594688

約数和(自身を除く): 343837958

約数列:

[1, 2, 5, 10, 61, 122, 163, 305, 326, 610, 815, 1630, 4111, 8222, 9943, 19886, 20555, 41110, 49715, 99430, 250771, 501542, 670093, 1253855, 1340186, 2507710, 3350465, 6700930, 40875673, 81751346, 204378365, 408756730]

約数ペア:

[(1, 408756730), (2, 204378365), (5, 81751346), (10, 40875673), (61, 6700930), (122, 3350465), (163, 2507710), (305, 1340186), (326, 1253855), (610, 670093), (815, 501542), (1630, 250771), (4111, 99430), (8222, 49715), (9943, 41110), (19886, 20555)]