251870416

素因数分解:

$2^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1\times {\mathrm{281}}^1$

素因数の和:500

約数の個数: 80

約数和(自身を含む): 574034688

約数和(自身を除く): 322164272

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 53, 56, 106, 112, 151, 212, 281, 302, 371, 424, 562, 604, 742, 848, 1057, 1124, 1208, 1484, 1967, 2114, 2248, 2416, 2968, 3934, 4228, 4496, 5936, 7868, 8003, 8456, 14893, 15736, 16006, 16912, 29786, 31472, 32012, 42431, 56021, 59572, 64024, 84862, 104251, 112042, 119144, 128048, 169724, 208502, 224084, 238288, 297017, 339448, 417004, 448168, 594034, 678896, 834008, 896336, 1188068, 1668016, 2248843, 2376136, 4497686, 4752272, 8995372, 15741901, 17990744, 31483802, 35981488, 62967604, 125935208, 251870416]

約数ペア:

[(1, 251870416), (2, 125935208), (4, 62967604), (7, 35981488), (8, 31483802), (14, 17990744), (16, 15741901), (28, 8995372), (53, 4752272), (56, 4497686), (106, 2376136), (112, 2248843), (151, 1668016), (212, 1188068), (281, 896336), (302, 834008), (371, 678896), (424, 594034), (562, 448168), (604, 417004), (742, 339448), (848, 297017), (1057, 238288), (1124, 224084), (1208, 208502), (1484, 169724), (1967, 128048), (2114, 119144), (2248, 112042), (2416, 104251), (2968, 84862), (3934, 64024), (4228, 59572), (4496, 56021), (5936, 42431), (7868, 32012), (8003, 31472), (8456, 29786), (14893, 16912), (15736, 16006)]