520072140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1238267}}^1$

素因数の和:1238286

約数の個数: 48

約数和(自身を含む): 1664232192

約数和(自身を除く): 1144160052

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, 1238267, 2476534, 3714801, 4953068, 6191335, 7429602, 8667869, 12382670, 14859204, 17335738, 18574005, 24765340, 26003607, 34671476, 37148010, 43339345, 52007214, 74296020, 86678690, 104014428, 130018035, 173357380, 260036070, 520072140]

約数ペア:

[(1, 520072140), (2, 260036070), (3, 173357380), (4, 130018035), (5, 104014428), (6, 86678690), (7, 74296020), (10, 52007214), (12, 43339345), (14, 37148010), (15, 34671476), (20, 26003607), (21, 24765340), (28, 18574005), (30, 17335738), (35, 14859204), (42, 12382670), (60, 8667869), (70, 7429602), (84, 6191335), (105, 4953068), (140, 3714801), (210, 2476534), (420, 1238267)]