199982840

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{172399}}^1$

素因数の和:172439

約数の個数: 32

約数和(自身を含む): 465480000

約数和(自身を除く): 265497160

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 172399, 344798, 689596, 861995, 1379192, 1723990, 3447980, 4999571, 6895960, 9999142, 19998284, 24997855, 39996568, 49995710, 99991420, 199982840]

約数ペア:

[(1, 199982840), (2, 99991420), (4, 49995710), (5, 39996568), (8, 24997855), (10, 19998284), (20, 9999142), (29, 6895960), (40, 4999571), (58, 3447980), (116, 1723990), (145, 1379192), (232, 861995), (290, 689596), (580, 344798), (1160, 172399)]