420724990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{53189}}^1$

素因数の和:53316

約数の個数: 32

約数和(自身を含む): 873167040

約数和(自身を除く): 452442050

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 113, 226, 565, 791, 1130, 1582, 3955, 7910, 53189, 106378, 265945, 372323, 531890, 744646, 1861615, 3723230, 6010357, 12020714, 30051785, 42072499, 60103570, 84144998, 210362495, 420724990]

約数ペア:

[(1, 420724990), (2, 210362495), (5, 84144998), (7, 60103570), (10, 42072499), (14, 30051785), (35, 12020714), (70, 6010357), (113, 3723230), (226, 1861615), (565, 744646), (791, 531890), (1130, 372323), (1582, 265945), (3955, 106378), (7910, 53189)]