279393804

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{281}}^1\times {\mathrm{389}}^1$

素因数の和:751

約数の個数: 72

約数和(自身を含む): 720588960

約数和(自身を除く): 441195156

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 213, 281, 284, 389, 426, 562, 639, 778, 843, 852, 1124, 1167, 1278, 1556, 1686, 2334, 2529, 2556, 3372, 3501, 4668, 5058, 7002, 10116, 14004, 19951, 27619, 39902, 55238, 59853, 79804, 82857, 109309, 110476, 119706, 165714, 179559, 218618, 239412, 248571, 327927, 331428, 359118, 437236, 497142, 655854, 718236, 983781, 994284, 1311708, 1967562, 3935124, 7760939, 15521878, 23282817, 31043756, 46565634, 69848451, 93131268, 139696902, 279393804]

約数ペア:

[(1, 279393804), (2, 139696902), (3, 93131268), (4, 69848451), (6, 46565634), (9, 31043756), (12, 23282817), (18, 15521878), (36, 7760939), (71, 3935124), (142, 1967562), (213, 1311708), (281, 994284), (284, 983781), (389, 718236), (426, 655854), (562, 497142), (639, 437236), (778, 359118), (843, 331428), (852, 327927), (1124, 248571), (1167, 239412), (1278, 218618), (1556, 179559), (1686, 165714), (2334, 119706), (2529, 110476), (2556, 109309), (3372, 82857), (3501, 79804), (4668, 59853), (5058, 55238), (7002, 39902), (10116, 27619), (14004, 19951)]