30927620

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1\times {\mathrm{179}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 66951360

約数和(自身を除く): 36023740

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 163, 179, 212, 265, 326, 358, 530, 652, 716, 815, 895, 1060, 1630, 1790, 3260, 3580, 8639, 9487, 17278, 18974, 29177, 34556, 37948, 43195, 47435, 58354, 86390, 94870, 116708, 145885, 172780, 189740, 291770, 583540, 1546381, 3092762, 6185524, 7731905, 15463810, 30927620]

約数ペア:

[(1, 30927620), (2, 15463810), (4, 7731905), (5, 6185524), (10, 3092762), (20, 1546381), (53, 583540), (106, 291770), (163, 189740), (179, 172780), (212, 145885), (265, 116708), (326, 94870), (358, 86390), (530, 58354), (652, 47435), (716, 43195), (815, 37948), (895, 34556), (1060, 29177), (1630, 18974), (1790, 17278), (3260, 9487), (3580, 8639)]