1499867980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{303617}}^1$

素因数の和:303658

約数の個数: 48

約数和(自身を含む): 3570547680

約数和(自身を除く): 2070679700

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 303617, 607234, 1214468, 1518085, 3036170, 3947021, 5768723, 6072340, 7894042, 11537446, 15788084, 19735105, 23074892, 28843615, 39470210, 57687230, 74993399, 78940420, 115374460, 149986798, 299973596, 374966995, 749933990, 1499867980]

約数ペア:

[(1, 1499867980), (2, 749933990), (4, 374966995), (5, 299973596), (10, 149986798), (13, 115374460), (19, 78940420), (20, 74993399), (26, 57687230), (38, 39470210), (52, 28843615), (65, 23074892), (76, 19735105), (95, 15788084), (130, 11537446), (190, 7894042), (247, 6072340), (260, 5768723), (380, 3947021), (494, 3036170), (988, 1518085), (1235, 1214468), (2470, 607234), (4940, 303617)]