200764780

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{239}}^1\times {\mathrm{433}}^1$

素因数の和:778

約数の個数: 48

約数和(自身を含む): 428722560

約数和(自身を除く): 227957780

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 239, 388, 433, 478, 485, 866, 956, 970, 1195, 1732, 1940, 2165, 2390, 4330, 4780, 8660, 23183, 42001, 46366, 84002, 92732, 103487, 115915, 168004, 206974, 210005, 231830, 413948, 420010, 463660, 517435, 840020, 1034870, 2069740, 10038239, 20076478, 40152956, 50191195, 100382390, 200764780]

約数ペア:

[(1, 200764780), (2, 100382390), (4, 50191195), (5, 40152956), (10, 20076478), (20, 10038239), (97, 2069740), (194, 1034870), (239, 840020), (388, 517435), (433, 463660), (478, 420010), (485, 413948), (866, 231830), (956, 210005), (970, 206974), (1195, 168004), (1732, 115915), (1940, 103487), (2165, 92732), (2390, 84002), (4330, 46366), (4780, 42001), (8660, 23183)]