74542020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{177481}}^1$

素因数の和:177500

約数の個数: 48

約数和(自身を含む): 238535808

約数和(自身を除く): 163993788

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, 177481, 354962, 532443, 709924, 887405, 1064886, 1242367, 1774810, 2129772, 2484734, 2662215, 3549620, 3727101, 4969468, 5324430, 6211835, 7454202, 10648860, 12423670, 14908404, 18635505, 24847340, 37271010, 74542020]

約数ペア:

[(1, 74542020), (2, 37271010), (3, 24847340), (4, 18635505), (5, 14908404), (6, 12423670), (7, 10648860), (10, 7454202), (12, 6211835), (14, 5324430), (15, 4969468), (20, 3727101), (21, 3549620), (28, 2662215), (30, 2484734), (35, 2129772), (42, 1774810), (60, 1242367), (70, 1064886), (84, 887405), (105, 709924), (140, 532443), (210, 354962), (420, 177481)]