257969030

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{7639}}^1$

素因数の和:7964

約数の個数: 32

約数和(自身を含む): 508273920

約数和(自身を除く): 250304890

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 307, 614, 1535, 3070, 3377, 6754, 7639, 15278, 16885, 33770, 38195, 76390, 84029, 168058, 420145, 840290, 2345173, 4690346, 11725865, 23451730, 25796903, 51593806, 128984515, 257969030]

約数ペア:

[(1, 257969030), (2, 128984515), (5, 51593806), (10, 25796903), (11, 23451730), (22, 11725865), (55, 4690346), (110, 2345173), (307, 840290), (614, 420145), (1535, 168058), (3070, 84029), (3377, 76390), (6754, 38195), (7639, 33770), (15278, 16885)]