89562860

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1\times {\mathrm{457}}^1$

素因数の和:746

約数の個数: 48

約数和(自身を含む): 193898880

約数和(自身を除く): 104336020

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 239, 410, 457, 478, 820, 914, 956, 1195, 1828, 2285, 2390, 4570, 4780, 9140, 9799, 18737, 19598, 37474, 39196, 48995, 74948, 93685, 97990, 109223, 187370, 195980, 218446, 374740, 436892, 546115, 1092230, 2184460, 4478143, 8956286, 17912572, 22390715, 44781430, 89562860]

約数ペア:

[(1, 89562860), (2, 44781430), (4, 22390715), (5, 17912572), (10, 8956286), (20, 4478143), (41, 2184460), (82, 1092230), (164, 546115), (205, 436892), (239, 374740), (410, 218446), (457, 195980), (478, 187370), (820, 109223), (914, 97990), (956, 93685), (1195, 74948), (1828, 48995), (2285, 39196), (2390, 37474), (4570, 19598), (4780, 18737), (9140, 9799)]