51044420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{2447}}^1$

素因数の和:2612

約数の個数: 48

約数和(自身を含む): 123379200

約数和(自身を除く): 72334780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 596, 745, 1043, 1490, 2086, 2447, 2980, 4172, 4894, 5215, 9788, 10430, 12235, 17129, 20860, 24470, 34258, 48940, 68516, 85645, 171290, 342580, 364603, 729206, 1458412, 1823015, 2552221, 3646030, 5104442, 7292060, 10208884, 12761105, 25522210, 51044420]

約数ペア:

[(1, 51044420), (2, 25522210), (4, 12761105), (5, 10208884), (7, 7292060), (10, 5104442), (14, 3646030), (20, 2552221), (28, 1823015), (35, 1458412), (70, 729206), (140, 364603), (149, 342580), (298, 171290), (596, 85645), (745, 68516), (1043, 48940), (1490, 34258), (2086, 24470), (2447, 20860), (2980, 17129), (4172, 12235), (4894, 10430), (5215, 9788)]