71886020

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{929}}^1$

素因数の和:1064

約数の個数: 48

約数和(自身を含む): 156083760

約数和(自身を除く): 84197740

約数列:

[1, 2, 4, 5, 10, 20, 53, 73, 106, 146, 212, 265, 292, 365, 530, 730, 929, 1060, 1460, 1858, 3716, 3869, 4645, 7738, 9290, 15476, 18580, 19345, 38690, 49237, 67817, 77380, 98474, 135634, 196948, 246185, 271268, 339085, 492370, 678170, 984740, 1356340, 3594301, 7188602, 14377204, 17971505, 35943010, 71886020]

約数ペア:

[(1, 71886020), (2, 35943010), (4, 17971505), (5, 14377204), (10, 7188602), (20, 3594301), (53, 1356340), (73, 984740), (106, 678170), (146, 492370), (212, 339085), (265, 271268), (292, 246185), (365, 196948), (530, 135634), (730, 98474), (929, 77380), (1060, 67817), (1460, 49237), (1858, 38690), (3716, 19345), (3869, 18580), (4645, 15476), (7738, 9290)]