207568840

素因数分解:

$2^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{16903}}^1$

素因数の和:17221

約数の個数: 32

約数和(自身を含む): 468578880

約数和(自身を除く): 261010040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 307, 614, 1228, 1535, 2456, 3070, 6140, 12280, 16903, 33806, 67612, 84515, 135224, 169030, 338060, 676120, 5189221, 10378442, 20756884, 25946105, 41513768, 51892210, 103784420, 207568840]

約数ペア:

[(1, 207568840), (2, 103784420), (4, 51892210), (5, 41513768), (8, 25946105), (10, 20756884), (20, 10378442), (40, 5189221), (307, 676120), (614, 338060), (1228, 169030), (1535, 135224), (2456, 84515), (3070, 67612), (6140, 33806), (12280, 16903)]