206879740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{1747}}^1$

素因数の和:1978

約数の個数: 48

約数和(自身を含む): 451067904

約数和(自身を除く): 244188164

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 191, 310, 382, 620, 764, 955, 1747, 1910, 3494, 3820, 5921, 6988, 8735, 11842, 17470, 23684, 29605, 34940, 54157, 59210, 108314, 118420, 216628, 270785, 333677, 541570, 667354, 1083140, 1334708, 1668385, 3336770, 6673540, 10343987, 20687974, 41375948, 51719935, 103439870, 206879740]

約数ペア:

[(1, 206879740), (2, 103439870), (4, 51719935), (5, 41375948), (10, 20687974), (20, 10343987), (31, 6673540), (62, 3336770), (124, 1668385), (155, 1334708), (191, 1083140), (310, 667354), (382, 541570), (620, 333677), (764, 270785), (955, 216628), (1747, 118420), (1910, 108314), (3494, 59210), (3820, 54157), (5921, 34940), (6988, 29605), (8735, 23684), (11842, 17470)]