228173890

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{66523}}^1$

素因数の和:66551

約数の個数: 32

約数和(自身を含む): 478972800

約数和(自身を除く): 250798910

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 3430, 66523, 133046, 332615, 465661, 665230, 931322, 2328305, 3259627, 4656610, 6519254, 16298135, 22817389, 32596270, 45634778, 114086945, 228173890]

約数ペア:

[(1, 228173890), (2, 114086945), (5, 45634778), (7, 32596270), (10, 22817389), (14, 16298135), (35, 6519254), (49, 4656610), (70, 3259627), (98, 2328305), (245, 931322), (343, 665230), (490, 465661), (686, 332615), (1715, 133046), (3430, 66523)]