149198980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{3019}}^1$

素因数の和:3388

約数の個数: 48

約数和(自身を含む): 359210880

約数和(自身を除く): 210011900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 353, 706, 1412, 1765, 2471, 3019, 3530, 4942, 6038, 7060, 9884, 12076, 12355, 15095, 21133, 24710, 30190, 42266, 49420, 60380, 84532, 105665, 211330, 422660, 1065707, 2131414, 4262828, 5328535, 7459949, 10657070, 14919898, 21314140, 29839796, 37299745, 74599490, 149198980]

約数ペア:

[(1, 149198980), (2, 74599490), (4, 37299745), (5, 29839796), (7, 21314140), (10, 14919898), (14, 10657070), (20, 7459949), (28, 5328535), (35, 4262828), (70, 2131414), (140, 1065707), (353, 422660), (706, 211330), (1412, 105665), (1765, 84532), (2471, 60380), (3019, 49420), (3530, 42266), (4942, 30190), (6038, 24710), (7060, 21133), (9884, 15095), (12076, 12355)]