51461620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{2467}}^1$

素因数の和:2632

約数の個数: 48

約数和(自身を含む): 124387200

約数和(自身を除く): 72925580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 596, 745, 1043, 1490, 2086, 2467, 2980, 4172, 4934, 5215, 9868, 10430, 12335, 17269, 20860, 24670, 34538, 49340, 69076, 86345, 172690, 345380, 367583, 735166, 1470332, 1837915, 2573081, 3675830, 5146162, 7351660, 10292324, 12865405, 25730810, 51461620]

約数ペア:

[(1, 51461620), (2, 25730810), (4, 12865405), (5, 10292324), (7, 7351660), (10, 5146162), (14, 3675830), (20, 2573081), (28, 1837915), (35, 1470332), (70, 735166), (140, 367583), (149, 345380), (298, 172690), (596, 86345), (745, 69076), (1043, 49340), (1490, 34538), (2086, 24670), (2467, 20860), (2980, 17269), (4172, 12335), (4934, 10430), (5215, 9868)]