278233968

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{349}}^1\times {\mathrm{977}}^1$

素因数の和:1354

約数の個数: 80

約数和(自身を含む): 764013600

約数和(自身を除く): 485779632

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 204, 272, 349, 408, 698, 816, 977, 1047, 1396, 1954, 2094, 2792, 2931, 3908, 4188, 5584, 5862, 5933, 7816, 8376, 11724, 11866, 15632, 16609, 16752, 17799, 23448, 23732, 33218, 35598, 46896, 47464, 49827, 66436, 71196, 94928, 99654, 132872, 142392, 199308, 265744, 284784, 340973, 398616, 681946, 797232, 1022919, 1363892, 2045838, 2727784, 4091676, 5455568, 5796541, 8183352, 11593082, 16366704, 17389623, 23186164, 34779246, 46372328, 69558492, 92744656, 139116984, 278233968]

約数ペア:

[(1, 278233968), (2, 139116984), (3, 92744656), (4, 69558492), (6, 46372328), (8, 34779246), (12, 23186164), (16, 17389623), (17, 16366704), (24, 11593082), (34, 8183352), (48, 5796541), (51, 5455568), (68, 4091676), (102, 2727784), (136, 2045838), (204, 1363892), (272, 1022919), (349, 797232), (408, 681946), (698, 398616), (816, 340973), (977, 284784), (1047, 265744), (1396, 199308), (1954, 142392), (2094, 132872), (2792, 99654), (2931, 94928), (3908, 71196), (4188, 66436), (5584, 49827), (5862, 47464), (5933, 46896), (7816, 35598), (8376, 33218), (11724, 23732), (11866, 23448), (15632, 17799), (16609, 16752)]