173438180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{3541}}^1$

素因数の和:3660

約数の個数: 48

約数和(自身を含む): 380835840

約数和(自身を除く): 207397660

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 79, 124, 155, 158, 310, 316, 395, 620, 790, 1580, 2449, 3541, 4898, 7082, 9796, 12245, 14164, 17705, 24490, 35410, 48980, 70820, 109771, 219542, 279739, 439084, 548855, 559478, 1097710, 1118956, 1398695, 2195420, 2797390, 5594780, 8671909, 17343818, 34687636, 43359545, 86719090, 173438180]

約数ペア:

[(1, 173438180), (2, 86719090), (4, 43359545), (5, 34687636), (10, 17343818), (20, 8671909), (31, 5594780), (62, 2797390), (79, 2195420), (124, 1398695), (155, 1118956), (158, 1097710), (310, 559478), (316, 548855), (395, 439084), (620, 279739), (790, 219542), (1580, 109771), (2449, 70820), (3541, 48980), (4898, 35410), (7082, 24490), (9796, 17705), (12245, 14164)]