208099990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{44371}}^1$

素因数の和:44452

約数の個数: 32

約数和(自身を含む): 434490624

約数和(自身を除く): 226390634

約数列:

[1, 2, 5, 7, 10, 14, 35, 67, 70, 134, 335, 469, 670, 938, 2345, 4690, 44371, 88742, 221855, 310597, 443710, 621194, 1552985, 2972857, 3105970, 5945714, 14864285, 20809999, 29728570, 41619998, 104049995, 208099990]

約数ペア:

[(1, 208099990), (2, 104049995), (5, 41619998), (7, 29728570), (10, 20809999), (14, 14864285), (35, 5945714), (67, 3105970), (70, 2972857), (134, 1552985), (335, 621194), (469, 443710), (670, 310597), (938, 221855), (2345, 88742), (4690, 44371)]