55827320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1$

素因数の和:225

約数の個数: 128

約数和(自身を含む): 145800000

約数和(自身を除く): 89972680

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 29, 34, 38, 40, 58, 68, 76, 85, 95, 116, 136, 145, 149, 152, 170, 190, 232, 290, 298, 323, 340, 380, 493, 551, 580, 596, 646, 680, 745, 760, 986, 1102, 1160, 1192, 1292, 1490, 1615, 1972, 2204, 2465, 2533, 2584, 2755, 2831, 2980, 3230, 3944, 4321, 4408, 4930, 5066, 5510, 5662, 5960, 6460, 8642, 9367, 9860, 10132, 11020, 11324, 12665, 12920, 14155, 17284, 18734, 19720, 20264, 21605, 22040, 22648, 25330, 28310, 34568, 37468, 43210, 46835, 48127, 50660, 56620, 73457, 74936, 82099, 86420, 93670, 96254, 101320, 113240, 146914, 164198, 172840, 187340, 192508, 240635, 293828, 328396, 367285, 374680, 385016, 410495, 481270, 587656, 656792, 734570, 820990, 962540, 1395683, 1469140, 1641980, 1925080, 2791366, 2938280, 3283960, 5582732, 6978415, 11165464, 13956830, 27913660, 55827320]

約数ペア:

[(1, 55827320), (2, 27913660), (4, 13956830), (5, 11165464), (8, 6978415), (10, 5582732), (17, 3283960), (19, 2938280), (20, 2791366), (29, 1925080), (34, 1641980), (38, 1469140), (40, 1395683), (58, 962540), (68, 820990), (76, 734570), (85, 656792), (95, 587656), (116, 481270), (136, 410495), (145, 385016), (149, 374680), (152, 367285), (170, 328396), (190, 293828), (232, 240635), (290, 192508), (298, 187340), (323, 172840), (340, 164198), (380, 146914), (493, 113240), (551, 101320), (580, 96254), (596, 93670), (646, 86420), (680, 82099), (745, 74936), (760, 73457), (986, 56620), (1102, 50660), (1160, 48127), (1192, 46835), (1292, 43210), (1490, 37468), (1615, 34568), (1972, 28310), (2204, 25330), (2465, 22648), (2533, 22040), (2584, 21605), (2755, 20264), (2831, 19720), (2980, 18734), (3230, 17284), (3944, 14155), (4321, 12920), (4408, 12665), (4930, 11324), (5066, 11020), (5510, 10132), (5662, 9860), (5960, 9367), (6460, 8642)]