392401280

素因数分解:

$2^7\times 5^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{227}}^1$

素因数の和:356

約数の個数: 128

約数和(自身を含む): 980938080

約数和(自身を除く): 588536800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 73, 74, 80, 128, 146, 148, 160, 185, 227, 292, 296, 320, 365, 370, 454, 584, 592, 640, 730, 740, 908, 1135, 1168, 1184, 1460, 1480, 1816, 2270, 2336, 2368, 2701, 2920, 2960, 3632, 4540, 4672, 4736, 5402, 5840, 5920, 7264, 8399, 9080, 9344, 10804, 11680, 11840, 13505, 14528, 16571, 16798, 18160, 21608, 23360, 23680, 27010, 29056, 33142, 33596, 36320, 41995, 43216, 46720, 54020, 66284, 67192, 72640, 82855, 83990, 86432, 108040, 132568, 134384, 145280, 165710, 167980, 172864, 216080, 265136, 268768, 331420, 335960, 345728, 432160, 530272, 537536, 613127, 662840, 671920, 864320, 1060544, 1075072, 1226254, 1325680, 1343840, 1728640, 2121088, 2452508, 2651360, 2687680, 3065635, 4905016, 5302720, 5375360, 6131270, 9810032, 10605440, 12262540, 19620064, 24525080, 39240128, 49050160, 78480256, 98100320, 196200640, 392401280]

約数ペア:

[(1, 392401280), (2, 196200640), (4, 98100320), (5, 78480256), (8, 49050160), (10, 39240128), (16, 24525080), (20, 19620064), (32, 12262540), (37, 10605440), (40, 9810032), (64, 6131270), (73, 5375360), (74, 5302720), (80, 4905016), (128, 3065635), (146, 2687680), (148, 2651360), (160, 2452508), (185, 2121088), (227, 1728640), (292, 1343840), (296, 1325680), (320, 1226254), (365, 1075072), (370, 1060544), (454, 864320), (584, 671920), (592, 662840), (640, 613127), (730, 537536), (740, 530272), (908, 432160), (1135, 345728), (1168, 335960), (1184, 331420), (1460, 268768), (1480, 265136), (1816, 216080), (2270, 172864), (2336, 167980), (2368, 165710), (2701, 145280), (2920, 134384), (2960, 132568), (3632, 108040), (4540, 86432), (4672, 83990), (4736, 82855), (5402, 72640), (5840, 67192), (5920, 66284), (7264, 54020), (8399, 46720), (9080, 43216), (9344, 41995), (10804, 36320), (11680, 33596), (11840, 33142), (13505, 29056), (14528, 27010), (16571, 23680), (16798, 23360), (18160, 21608)]