201783520

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:408

約数の個数: 96

約数和(自身を含む): 493637760

約数和(自身を除く): 291854240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 139, 160, 172, 211, 215, 278, 344, 422, 430, 556, 688, 695, 844, 860, 1055, 1112, 1376, 1390, 1688, 1720, 2110, 2224, 2780, 3376, 3440, 4220, 4448, 5560, 5977, 6752, 6880, 8440, 9073, 11120, 11954, 16880, 18146, 22240, 23908, 29329, 29885, 33760, 36292, 45365, 47816, 58658, 59770, 72584, 90730, 95632, 117316, 119540, 145168, 146645, 181460, 191264, 234632, 239080, 290336, 293290, 362920, 469264, 478160, 586580, 725840, 938528, 956320, 1173160, 1261147, 1451680, 2346320, 2522294, 4692640, 5044588, 6305735, 10089176, 12611470, 20178352, 25222940, 40356704, 50445880, 100891760, 201783520]

約数ペア:

[(1, 201783520), (2, 100891760), (4, 50445880), (5, 40356704), (8, 25222940), (10, 20178352), (16, 12611470), (20, 10089176), (32, 6305735), (40, 5044588), (43, 4692640), (80, 2522294), (86, 2346320), (139, 1451680), (160, 1261147), (172, 1173160), (211, 956320), (215, 938528), (278, 725840), (344, 586580), (422, 478160), (430, 469264), (556, 362920), (688, 293290), (695, 290336), (844, 239080), (860, 234632), (1055, 191264), (1112, 181460), (1376, 146645), (1390, 145168), (1688, 119540), (1720, 117316), (2110, 95632), (2224, 90730), (2780, 72584), (3376, 59770), (3440, 58658), (4220, 47816), (4448, 45365), (5560, 36292), (5977, 33760), (6752, 29885), (6880, 29329), (8440, 23908), (9073, 22240), (11120, 18146), (11954, 16880)]