398205220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{25171}}^1$

素因数の和:25300

約数の個数: 48

約数和(自身を含む): 964188288

約数和(自身を除く): 565983068

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 113, 140, 226, 452, 565, 791, 1130, 1582, 2260, 3164, 3955, 7910, 15820, 25171, 50342, 100684, 125855, 176197, 251710, 352394, 503420, 704788, 880985, 1761970, 2844323, 3523940, 5688646, 11377292, 14221615, 19910261, 28443230, 39820522, 56886460, 79641044, 99551305, 199102610, 398205220]

約数ペア:

[(1, 398205220), (2, 199102610), (4, 99551305), (5, 79641044), (7, 56886460), (10, 39820522), (14, 28443230), (20, 19910261), (28, 14221615), (35, 11377292), (70, 5688646), (113, 3523940), (140, 2844323), (226, 1761970), (452, 880985), (565, 704788), (791, 503420), (1130, 352394), (1582, 251710), (2260, 176197), (3164, 125855), (3955, 100684), (7910, 50342), (15820, 25171)]