245486560

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1381}}^1$

素因数の和:1508

約数の個数: 96

約数和(自身を含む): 639412704

約数和(自身を除く): 393926144

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 101, 110, 160, 176, 202, 220, 352, 404, 440, 505, 808, 880, 1010, 1111, 1381, 1616, 1760, 2020, 2222, 2762, 3232, 4040, 4444, 5524, 5555, 6905, 8080, 8888, 11048, 11110, 13810, 15191, 16160, 17776, 22096, 22220, 27620, 30382, 35552, 44192, 44440, 55240, 60764, 75955, 88880, 110480, 121528, 139481, 151910, 177760, 220960, 243056, 278962, 303820, 486112, 557924, 607640, 697405, 1115848, 1215280, 1394810, 1534291, 2231696, 2430560, 2789620, 3068582, 4463392, 5579240, 6137164, 7671455, 11158480, 12274328, 15342910, 22316960, 24548656, 30685820, 49097312, 61371640, 122743280, 245486560]

約数ペア:

[(1, 245486560), (2, 122743280), (4, 61371640), (5, 49097312), (8, 30685820), (10, 24548656), (11, 22316960), (16, 15342910), (20, 12274328), (22, 11158480), (32, 7671455), (40, 6137164), (44, 5579240), (55, 4463392), (80, 3068582), (88, 2789620), (101, 2430560), (110, 2231696), (160, 1534291), (176, 1394810), (202, 1215280), (220, 1115848), (352, 697405), (404, 607640), (440, 557924), (505, 486112), (808, 303820), (880, 278962), (1010, 243056), (1111, 220960), (1381, 177760), (1616, 151910), (1760, 139481), (2020, 121528), (2222, 110480), (2762, 88880), (3232, 75955), (4040, 60764), (4444, 55240), (5524, 44440), (5555, 44192), (6905, 35552), (8080, 30382), (8888, 27620), (11048, 22220), (11110, 22096), (13810, 17776), (15191, 16160)]