289899520

素因数分解:

$2^{10}\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1381}}^1$

素因数の和:1447

約数の個数: 88

約数和(自身を含む): 712896408

約数和(自身を除く): 422996888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 256, 320, 328, 410, 512, 640, 656, 820, 1024, 1280, 1312, 1381, 1640, 2560, 2624, 2762, 3280, 5120, 5248, 5524, 6560, 6905, 10496, 11048, 13120, 13810, 20992, 22096, 26240, 27620, 41984, 44192, 52480, 55240, 56621, 88384, 104960, 110480, 113242, 176768, 209920, 220960, 226484, 283105, 353536, 441920, 452968, 566210, 707072, 883840, 905936, 1132420, 1414144, 1767680, 1811872, 2264840, 3535360, 3623744, 4529680, 7070720, 7247488, 9059360, 14494976, 18118720, 28989952, 36237440, 57979904, 72474880, 144949760, 289899520]

約数ペア:

[(1, 289899520), (2, 144949760), (4, 72474880), (5, 57979904), (8, 36237440), (10, 28989952), (16, 18118720), (20, 14494976), (32, 9059360), (40, 7247488), (41, 7070720), (64, 4529680), (80, 3623744), (82, 3535360), (128, 2264840), (160, 1811872), (164, 1767680), (205, 1414144), (256, 1132420), (320, 905936), (328, 883840), (410, 707072), (512, 566210), (640, 452968), (656, 441920), (820, 353536), (1024, 283105), (1280, 226484), (1312, 220960), (1381, 209920), (1640, 176768), (2560, 113242), (2624, 110480), (2762, 104960), (3280, 88384), (5120, 56621), (5248, 55240), (5524, 52480), (6560, 44192), (6905, 41984), (10496, 27620), (11048, 26240), (13120, 22096), (13810, 20992)]