84906220

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{12377}}^1$

素因数の和:12407

約数の個数: 48

約数和(自身を含む): 207950400

約数和(自身を除く): 123044180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 12377, 24754, 49508, 61885, 86639, 123770, 173278, 247540, 346556, 433195, 606473, 866390, 1212946, 1732780, 2425892, 3032365, 4245311, 6064730, 8490622, 12129460, 16981244, 21226555, 42453110, 84906220]

約数ペア:

[(1, 84906220), (2, 42453110), (4, 21226555), (5, 16981244), (7, 12129460), (10, 8490622), (14, 6064730), (20, 4245311), (28, 3032365), (35, 2425892), (49, 1732780), (70, 1212946), (98, 866390), (140, 606473), (196, 433195), (245, 346556), (343, 247540), (490, 173278), (686, 123770), (980, 86639), (1372, 61885), (1715, 49508), (3430, 24754), (6860, 12377)]