157788403220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{2163263}}^1$

素因数の和:2163800

約数の個数: 48

約数和(自身を含む): 379419199488

約数和(自身を除く): 221630796268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 521, 1042, 2084, 2605, 3647, 5210, 7294, 10420, 14588, 18235, 36470, 72940, 2163263, 4326526, 8653052, 10816315, 15142841, 21632630, 30285682, 43265260, 60571364, 75714205, 151428410, 302856820, 1127060023, 2254120046, 4508240092, 5635300115, 7889420161, 11270600230, 15778840322, 22541200460, 31557680644, 39447100805, 78894201610, 157788403220]

約数ペア:

[(1, 157788403220), (2, 78894201610), (4, 39447100805), (5, 31557680644), (7, 22541200460), (10, 15778840322), (14, 11270600230), (20, 7889420161), (28, 5635300115), (35, 4508240092), (70, 2254120046), (140, 1127060023), (521, 302856820), (1042, 151428410), (2084, 75714205), (2605, 60571364), (3647, 43265260), (5210, 30285682), (7294, 21632630), (10420, 15142841), (14588, 10816315), (18235, 8653052), (36470, 4326526), (72940, 2163263)]