222711520

素因数分解:

$2^5\times 5^1\times {\mathrm{317}}^1\times {\mathrm{4391}}^1$

素因数の和:4723

約数の個数: 48

約数和(自身を含む): 527935968

約数和(自身を除く): 305224448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 317, 634, 1268, 1585, 2536, 3170, 4391, 5072, 6340, 8782, 10144, 12680, 17564, 21955, 25360, 35128, 43910, 50720, 70256, 87820, 140512, 175640, 351280, 702560, 1391947, 2783894, 5567788, 6959735, 11135576, 13919470, 22271152, 27838940, 44542304, 55677880, 111355760, 222711520]

約数ペア:

[(1, 222711520), (2, 111355760), (4, 55677880), (5, 44542304), (8, 27838940), (10, 22271152), (16, 13919470), (20, 11135576), (32, 6959735), (40, 5567788), (80, 2783894), (160, 1391947), (317, 702560), (634, 351280), (1268, 175640), (1585, 140512), (2536, 87820), (3170, 70256), (4391, 50720), (5072, 43910), (6340, 35128), (8782, 25360), (10144, 21955), (12680, 17564)]