56175980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{2693}}^1$

素因数の和:2858

約数の個数: 48

約数和(自身を含む): 135777600

約数和(自身を除く): 79601620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 596, 745, 1043, 1490, 2086, 2693, 2980, 4172, 5215, 5386, 10430, 10772, 13465, 18851, 20860, 26930, 37702, 53860, 75404, 94255, 188510, 377020, 401257, 802514, 1605028, 2006285, 2808799, 4012570, 5617598, 8025140, 11235196, 14043995, 28087990, 56175980]

約数ペア:

[(1, 56175980), (2, 28087990), (4, 14043995), (5, 11235196), (7, 8025140), (10, 5617598), (14, 4012570), (20, 2808799), (28, 2006285), (35, 1605028), (70, 802514), (140, 401257), (149, 377020), (298, 188510), (596, 94255), (745, 75404), (1043, 53860), (1490, 37702), (2086, 26930), (2693, 20860), (2980, 18851), (4172, 13465), (5215, 10772), (5386, 10430)]