123780490

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{239}}^1\times {\mathrm{773}}^1$

素因数の和:1086

約数の個数: 32

約数和(自身を含む): 227370240

約数和(自身を除く): 103589750

約数列:

[1, 2, 5, 10, 67, 134, 239, 335, 478, 670, 773, 1195, 1546, 2390, 3865, 7730, 16013, 32026, 51791, 80065, 103582, 160130, 184747, 258955, 369494, 517910, 923735, 1847470, 12378049, 24756098, 61890245, 123780490]

約数ペア:

[(1, 123780490), (2, 61890245), (5, 24756098), (10, 12378049), (67, 1847470), (134, 923735), (239, 517910), (335, 369494), (478, 258955), (670, 184747), (773, 160130), (1195, 103582), (1546, 80065), (2390, 51791), (3865, 32026), (7730, 16013)]