289859360

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{258803}}^1$

素因数の和:258825

約数の個数: 48

約数和(自身を含む): 782623296

約数和(自身を除く): 492763936

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 258803, 517606, 1035212, 1294015, 1811621, 2070424, 2588030, 3623242, 4140848, 5176060, 7246484, 8281696, 9058105, 10352120, 14492968, 18116210, 20704240, 28985936, 36232420, 41408480, 57971872, 72464840, 144929680, 289859360]

約数ペア:

[(1, 289859360), (2, 144929680), (4, 72464840), (5, 57971872), (7, 41408480), (8, 36232420), (10, 28985936), (14, 20704240), (16, 18116210), (20, 14492968), (28, 10352120), (32, 9058105), (35, 8281696), (40, 7246484), (56, 5176060), (70, 4140848), (80, 3623242), (112, 2588030), (140, 2070424), (160, 1811621), (224, 1294015), (280, 1035212), (560, 517606), (1120, 258803)]