274322920

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{251}}^1\times {\mathrm{307}}^1$

素因数の和:658

約数の個数: 64

約数和(自身を含む): 628689600

約数和(自身を除く): 354366680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 251, 307, 356, 445, 502, 614, 712, 890, 1004, 1228, 1255, 1535, 1780, 2008, 2456, 2510, 3070, 3560, 5020, 6140, 10040, 12280, 22339, 27323, 44678, 54646, 77057, 89356, 109292, 111695, 136615, 154114, 178712, 218584, 223390, 273230, 308228, 385285, 446780, 546460, 616456, 770570, 893560, 1092920, 1541140, 3082280, 6858073, 13716146, 27432292, 34290365, 54864584, 68580730, 137161460, 274322920]

約数ペア:

[(1, 274322920), (2, 137161460), (4, 68580730), (5, 54864584), (8, 34290365), (10, 27432292), (20, 13716146), (40, 6858073), (89, 3082280), (178, 1541140), (251, 1092920), (307, 893560), (356, 770570), (445, 616456), (502, 546460), (614, 446780), (712, 385285), (890, 308228), (1004, 273230), (1228, 223390), (1255, 218584), (1535, 178712), (1780, 154114), (2008, 136615), (2456, 111695), (2510, 109292), (3070, 89356), (3560, 77057), (5020, 54646), (6140, 44678), (10040, 27323), (12280, 22339)]