149455740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{355847}}^1$

素因数の和:355866

約数の個数: 48

約数和(自身を含む): 478259712

約数和(自身を除く): 328803972

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, 355847, 711694, 1067541, 1423388, 1779235, 2135082, 2490929, 3558470, 4270164, 4981858, 5337705, 7116940, 7472787, 9963716, 10675410, 12454645, 14945574, 21350820, 24909290, 29891148, 37363935, 49818580, 74727870, 149455740]

約数ペア:

[(1, 149455740), (2, 74727870), (3, 49818580), (4, 37363935), (5, 29891148), (6, 24909290), (7, 21350820), (10, 14945574), (12, 12454645), (14, 10675410), (15, 9963716), (20, 7472787), (21, 7116940), (28, 5337705), (30, 4981858), (35, 4270164), (42, 3558470), (60, 2490929), (70, 2135082), (84, 1779235), (105, 1423388), (140, 1067541), (210, 711694), (420, 355847)]