201471580

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{223}}^1\times {\mathrm{227}}^1$

素因数の和:658

約数の個数: 48

約数和(自身を含む): 429004800

約数和(自身を除く): 227533220

約数列:

[1, 2, 4, 5, 10, 20, 199, 223, 227, 398, 446, 454, 796, 892, 908, 995, 1115, 1135, 1990, 2230, 2270, 3980, 4460, 4540, 44377, 45173, 50621, 88754, 90346, 101242, 177508, 180692, 202484, 221885, 225865, 253105, 443770, 451730, 506210, 887540, 903460, 1012420, 10073579, 20147158, 40294316, 50367895, 100735790, 201471580]

約数ペア:

[(1, 201471580), (2, 100735790), (4, 50367895), (5, 40294316), (10, 20147158), (20, 10073579), (199, 1012420), (223, 903460), (227, 887540), (398, 506210), (446, 451730), (454, 443770), (796, 253105), (892, 225865), (908, 221885), (995, 202484), (1115, 180692), (1135, 177508), (1990, 101242), (2230, 90346), (2270, 88754), (3980, 50621), (4460, 45173), (4540, 44377)]