229142920

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1\times {\mathrm{787}}^1$

素因数の和:1078

約数の個数: 64

約数和(自身を含む): 536155200

約数和(自身を除く): 307012280

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 251, 290, 502, 580, 787, 1004, 1160, 1255, 1574, 2008, 2510, 3148, 3935, 5020, 6296, 7279, 7870, 10040, 14558, 15740, 22823, 29116, 31480, 36395, 45646, 58232, 72790, 91292, 114115, 145580, 182584, 197537, 228230, 291160, 395074, 456460, 790148, 912920, 987685, 1580296, 1975370, 3950740, 5728573, 7901480, 11457146, 22914292, 28642865, 45828584, 57285730, 114571460, 229142920]

約数ペア:

[(1, 229142920), (2, 114571460), (4, 57285730), (5, 45828584), (8, 28642865), (10, 22914292), (20, 11457146), (29, 7901480), (40, 5728573), (58, 3950740), (116, 1975370), (145, 1580296), (232, 987685), (251, 912920), (290, 790148), (502, 456460), (580, 395074), (787, 291160), (1004, 228230), (1160, 197537), (1255, 182584), (1574, 145580), (2008, 114115), (2510, 91292), (3148, 72790), (3935, 58232), (5020, 45646), (6296, 36395), (7279, 31480), (7870, 29116), (10040, 22823), (14558, 15740)]