28852360

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1$

素因数の和:310

約数の個数: 64

約数和(自身を含む): 67392000

約数和(自身を除く): 38539640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 103, 149, 188, 206, 235, 298, 376, 412, 470, 515, 596, 745, 824, 940, 1030, 1192, 1490, 1880, 2060, 2980, 4120, 4841, 5960, 7003, 9682, 14006, 15347, 19364, 24205, 28012, 30694, 35015, 38728, 48410, 56024, 61388, 70030, 76735, 96820, 122776, 140060, 153470, 193640, 280120, 306940, 613880, 721309, 1442618, 2885236, 3606545, 5770472, 7213090, 14426180, 28852360]

約数ペア:

[(1, 28852360), (2, 14426180), (4, 7213090), (5, 5770472), (8, 3606545), (10, 2885236), (20, 1442618), (40, 721309), (47, 613880), (94, 306940), (103, 280120), (149, 193640), (188, 153470), (206, 140060), (235, 122776), (298, 96820), (376, 76735), (412, 70030), (470, 61388), (515, 56024), (596, 48410), (745, 38728), (824, 35015), (940, 30694), (1030, 28012), (1192, 24205), (1490, 19364), (1880, 15347), (2060, 14006), (2980, 9682), (4120, 7003), (4841, 5960)]