193189520

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{77899}}^1$

素因数の和:77943

約数の個数: 40

約数和(自身を含む): 463660800

約数和(自身を除く): 270471280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 77899, 155798, 311596, 389495, 623192, 778990, 1246384, 1557980, 2414869, 3115960, 4829738, 6231920, 9659476, 12074345, 19318952, 24148690, 38637904, 48297380, 96594760, 193189520]

約数ペア:

[(1, 193189520), (2, 96594760), (4, 48297380), (5, 38637904), (8, 24148690), (10, 19318952), (16, 12074345), (20, 9659476), (31, 6231920), (40, 4829738), (62, 3115960), (80, 2414869), (124, 1557980), (155, 1246384), (248, 778990), (310, 623192), (496, 389495), (620, 311596), (1240, 155798), (2480, 77899)]