251002020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1787}}^1\times {\mathrm{2341}}^1$

素因数の和:4140

約数の個数: 48

約数和(自身を含む): 703499328

約数和(自身を除く): 452497308

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1787, 2341, 3574, 4682, 5361, 7023, 7148, 8935, 9364, 10722, 11705, 14046, 17870, 21444, 23410, 26805, 28092, 35115, 35740, 46820, 53610, 70230, 107220, 140460, 4183367, 8366734, 12550101, 16733468, 20916835, 25100202, 41833670, 50200404, 62750505, 83667340, 125501010, 251002020]

約数ペア:

[(1, 251002020), (2, 125501010), (3, 83667340), (4, 62750505), (5, 50200404), (6, 41833670), (10, 25100202), (12, 20916835), (15, 16733468), (20, 12550101), (30, 8366734), (60, 4183367), (1787, 140460), (2341, 107220), (3574, 70230), (4682, 53610), (5361, 46820), (7023, 35740), (7148, 35115), (8935, 28092), (9364, 26805), (10722, 23410), (11705, 21444), (14046, 17870)]