212489820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{25117}}^1$

素因数の和:25179

約数の個数: 72

約数和(自身を含む): 658292544

約数和(自身を除く): 445802724

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 90, 94, 141, 180, 188, 235, 282, 423, 470, 564, 705, 846, 940, 1410, 1692, 2115, 2820, 4230, 8460, 25117, 50234, 75351, 100468, 125585, 150702, 226053, 251170, 301404, 376755, 452106, 502340, 753510, 904212, 1130265, 1180499, 1507020, 2260530, 2360998, 3541497, 4521060, 4721996, 5902495, 7082994, 10624491, 11804990, 14165988, 17707485, 21248982, 23609980, 35414970, 42497964, 53122455, 70829940, 106244910, 212489820]

約数ペア:

[(1, 212489820), (2, 106244910), (3, 70829940), (4, 53122455), (5, 42497964), (6, 35414970), (9, 23609980), (10, 21248982), (12, 17707485), (15, 14165988), (18, 11804990), (20, 10624491), (30, 7082994), (36, 5902495), (45, 4721996), (47, 4521060), (60, 3541497), (90, 2360998), (94, 2260530), (141, 1507020), (180, 1180499), (188, 1130265), (235, 904212), (282, 753510), (423, 502340), (470, 452106), (564, 376755), (705, 301404), (846, 251170), (940, 226053), (1410, 150702), (1692, 125585), (2115, 100468), (2820, 75351), (4230, 50234), (8460, 25117)]