219345420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{522251}}^1$

素因数の和:522270

約数の個数: 48

約数和(自身を含む): 701906688

約数和(自身を除く): 482561268

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, 522251, 1044502, 1566753, 2089004, 2611255, 3133506, 3655757, 5222510, 6267012, 7311514, 7833765, 10445020, 10967271, 14623028, 15667530, 18278785, 21934542, 31335060, 36557570, 43869084, 54836355, 73115140, 109672710, 219345420]

約数ペア:

[(1, 219345420), (2, 109672710), (3, 73115140), (4, 54836355), (5, 43869084), (6, 36557570), (7, 31335060), (10, 21934542), (12, 18278785), (14, 15667530), (15, 14623028), (20, 10967271), (21, 10445020), (28, 7833765), (30, 7311514), (35, 6267012), (42, 5222510), (60, 3655757), (70, 3133506), (84, 2611255), (105, 2089004), (140, 1566753), (210, 1044502), (420, 522251)]