215699360

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{251}}^1$

素因数の和:438

約数の個数: 96

約数和(自身を含む): 528099264

約数和(自身を除く): 312399904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 131, 160, 164, 205, 251, 262, 328, 410, 502, 524, 655, 656, 820, 1004, 1048, 1255, 1310, 1312, 1640, 2008, 2096, 2510, 2620, 3280, 4016, 4192, 5020, 5240, 5371, 6560, 8032, 10040, 10291, 10480, 10742, 20080, 20582, 20960, 21484, 26855, 32881, 40160, 41164, 42968, 51455, 53710, 65762, 82328, 85936, 102910, 107420, 131524, 164405, 164656, 171872, 205820, 214840, 263048, 328810, 329312, 411640, 429680, 526096, 657620, 823280, 859360, 1052192, 1315240, 1348121, 1646560, 2630480, 2696242, 5260960, 5392484, 6740605, 10784968, 13481210, 21569936, 26962420, 43139872, 53924840, 107849680, 215699360]

約数ペア:

[(1, 215699360), (2, 107849680), (4, 53924840), (5, 43139872), (8, 26962420), (10, 21569936), (16, 13481210), (20, 10784968), (32, 6740605), (40, 5392484), (41, 5260960), (80, 2696242), (82, 2630480), (131, 1646560), (160, 1348121), (164, 1315240), (205, 1052192), (251, 859360), (262, 823280), (328, 657620), (410, 526096), (502, 429680), (524, 411640), (655, 329312), (656, 328810), (820, 263048), (1004, 214840), (1048, 205820), (1255, 171872), (1310, 164656), (1312, 164405), (1640, 131524), (2008, 107420), (2096, 102910), (2510, 85936), (2620, 82328), (3280, 65762), (4016, 53710), (4192, 51455), (5020, 42968), (5240, 41164), (5371, 40160), (6560, 32881), (8032, 26855), (10040, 21484), (10291, 20960), (10480, 20582), (10742, 20080)]