87625020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{208631}}^1$

素因数の和:208650

約数の個数: 48

約数和(自身を含む): 280401408

約数和(自身を除く): 192776388

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 208631, 417262, 625893, 834524, 1043155, 1251786, 1460417, 2086310, 2503572, 2920834, 3129465, 4172620, 4381251, 5841668, 6258930, 7302085, 8762502, 12517860, 14604170, 17525004, 21906255, 29208340, 43812510, 87625020]

約数ペア:

[(1, 87625020), (2, 43812510), (3, 29208340), (4, 21906255), (5, 17525004), (6, 14604170), (7, 12517860), (10, 8762502), (12, 7302085), (14, 6258930), (15, 5841668), (20, 4381251), (21, 4172620), (28, 3129465), (30, 2920834), (35, 2503572), (42, 2086310), (60, 1460417), (70, 1251786), (84, 1043155), (105, 834524), (140, 625893), (210, 417262), (420, 208631)]