71221250

素因数分解:

$2^1\times 5^4\times {\mathrm{227}}^1\times {\mathrm{251}}^1$

素因数の和:500

約数の個数: 40

約数和(自身を含む): 134619408

約数和(自身を除く): 63398158

約数列:

[1, 2, 5, 10, 25, 50, 125, 227, 250, 251, 454, 502, 625, 1135, 1250, 1255, 2270, 2510, 5675, 6275, 11350, 12550, 28375, 31375, 56750, 56977, 62750, 113954, 141875, 156875, 283750, 284885, 313750, 569770, 1424425, 2848850, 7122125, 14244250, 35610625, 71221250]

約数ペア:

[(1, 71221250), (2, 35610625), (5, 14244250), (10, 7122125), (25, 2848850), (50, 1424425), (125, 569770), (227, 313750), (250, 284885), (251, 283750), (454, 156875), (502, 141875), (625, 113954), (1135, 62750), (1250, 56977), (1255, 56750), (2270, 31375), (2510, 28375), (5675, 12550), (6275, 11350)]