31590020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{281}}^1$

素因数の和:381

約数の個数: 96

約数和(自身を含む): 84139776

約数和(自身を除く): 52549756

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 73, 77, 110, 140, 146, 154, 220, 281, 292, 308, 365, 385, 511, 562, 730, 770, 803, 1022, 1124, 1405, 1460, 1540, 1606, 1967, 2044, 2555, 2810, 3091, 3212, 3934, 4015, 5110, 5620, 5621, 6182, 7868, 8030, 9835, 10220, 11242, 12364, 15455, 16060, 19670, 20513, 21637, 22484, 28105, 30910, 39340, 41026, 43274, 56210, 61820, 82052, 86548, 102565, 108185, 112420, 143591, 205130, 216370, 225643, 287182, 410260, 432740, 451286, 574364, 717955, 902572, 1128215, 1435910, 1579501, 2256430, 2871820, 3159002, 4512860, 6318004, 7897505, 15795010, 31590020]

約数ペア:

[(1, 31590020), (2, 15795010), (4, 7897505), (5, 6318004), (7, 4512860), (10, 3159002), (11, 2871820), (14, 2256430), (20, 1579501), (22, 1435910), (28, 1128215), (35, 902572), (44, 717955), (55, 574364), (70, 451286), (73, 432740), (77, 410260), (110, 287182), (140, 225643), (146, 216370), (154, 205130), (220, 143591), (281, 112420), (292, 108185), (308, 102565), (365, 86548), (385, 82052), (511, 61820), (562, 56210), (730, 43274), (770, 41026), (803, 39340), (1022, 30910), (1124, 28105), (1405, 22484), (1460, 21637), (1540, 20513), (1606, 19670), (1967, 16060), (2044, 15455), (2555, 12364), (2810, 11242), (3091, 10220), (3212, 9835), (3934, 8030), (4015, 7868), (5110, 6182), (5620, 5621)]