28292120

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1$

素因数の和:308

約数の個数: 64

約数和(自身を含む): 66096000

約数和(自身を除く): 37803880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 101, 149, 188, 202, 235, 298, 376, 404, 470, 505, 596, 745, 808, 940, 1010, 1192, 1490, 1880, 2020, 2980, 4040, 4747, 5960, 7003, 9494, 14006, 15049, 18988, 23735, 28012, 30098, 35015, 37976, 47470, 56024, 60196, 70030, 75245, 94940, 120392, 140060, 150490, 189880, 280120, 300980, 601960, 707303, 1414606, 2829212, 3536515, 5658424, 7073030, 14146060, 28292120]

約数ペア:

[(1, 28292120), (2, 14146060), (4, 7073030), (5, 5658424), (8, 3536515), (10, 2829212), (20, 1414606), (40, 707303), (47, 601960), (94, 300980), (101, 280120), (149, 189880), (188, 150490), (202, 140060), (235, 120392), (298, 94940), (376, 75245), (404, 70030), (470, 60196), (505, 56024), (596, 47470), (745, 37976), (808, 35015), (940, 30098), (1010, 28012), (1192, 23735), (1490, 18988), (1880, 15049), (2020, 14006), (2980, 9494), (4040, 7003), (4747, 5960)]