28698180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{68329}}^1$

素因数の和:68348

約数の個数: 48

約数和(自身を含む): 91835520

約数和(自身を除く): 63137340

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, 68329, 136658, 204987, 273316, 341645, 409974, 478303, 683290, 819948, 956606, 1024935, 1366580, 1434909, 1913212, 2049870, 2391515, 2869818, 4099740, 4783030, 5739636, 7174545, 9566060, 14349090, 28698180]

約数ペア:

[(1, 28698180), (2, 14349090), (3, 9566060), (4, 7174545), (5, 5739636), (6, 4783030), (7, 4099740), (10, 2869818), (12, 2391515), (14, 2049870), (15, 1913212), (20, 1434909), (21, 1366580), (28, 1024935), (30, 956606), (35, 819948), (42, 683290), (60, 478303), (70, 409974), (84, 341645), (105, 273316), (140, 204987), (210, 136658), (420, 68329)]