395797481480

素因数分解:

$2^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{457}}^1\times {\mathrm{95383}}^1$

素因数の和:96078

約数の個数: 64

約数和(自身を含む): 896434093440

約数和(自身を除く): 500636611960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 227, 454, 457, 908, 914, 1135, 1816, 1828, 2270, 2285, 3656, 4540, 4570, 9080, 9140, 18280, 95383, 103739, 190766, 207478, 381532, 414956, 476915, 518695, 763064, 829912, 953830, 1037390, 1907660, 2074780, 3815320, 4149560, 21651941, 43303882, 43590031, 86607764, 87180062, 108259705, 173215528, 174360124, 216519410, 217950155, 348720248, 433038820, 435900310, 866077640, 871800620, 1743601240, 9894937037, 19789874074, 39579748148, 49474685185, 79159496296, 98949370370, 197898740740, 395797481480]

約数ペア:

[(1, 395797481480), (2, 197898740740), (4, 98949370370), (5, 79159496296), (8, 49474685185), (10, 39579748148), (20, 19789874074), (40, 9894937037), (227, 1743601240), (454, 871800620), (457, 866077640), (908, 435900310), (914, 433038820), (1135, 348720248), (1816, 217950155), (1828, 216519410), (2270, 174360124), (2285, 173215528), (3656, 108259705), (4540, 87180062), (4570, 86607764), (9080, 43590031), (9140, 43303882), (18280, 21651941), (95383, 4149560), (103739, 3815320), (190766, 2074780), (207478, 1907660), (381532, 1037390), (414956, 953830), (476915, 829912), (518695, 763064)]