204927940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{3203}}^1$

素因数の和:3676

約数の個数: 48

約数和(自身を含む): 493057152

約数和(自身を除く): 288129212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 457, 914, 1828, 2285, 3199, 3203, 4570, 6398, 6406, 9140, 12796, 12812, 15995, 16015, 22421, 31990, 32030, 44842, 63980, 64060, 89684, 112105, 224210, 448420, 1463771, 2927542, 5855084, 7318855, 10246397, 14637710, 20492794, 29275420, 40985588, 51231985, 102463970, 204927940]

約数ペア:

[(1, 204927940), (2, 102463970), (4, 51231985), (5, 40985588), (7, 29275420), (10, 20492794), (14, 14637710), (20, 10246397), (28, 7318855), (35, 5855084), (70, 2927542), (140, 1463771), (457, 448420), (914, 224210), (1828, 112105), (2285, 89684), (3199, 64060), (3203, 63980), (4570, 44842), (6398, 32030), (6406, 31990), (9140, 22421), (12796, 16015), (12812, 15995)]