431517920

素因数分解:

$2^5\times 5^1\times {\mathrm{109}}^2\times {\mathrm{227}}^1$

素因数の和:460

約数の個数: 72

約数和(自身を含む): 1033432344

約数和(自身を除く): 601914424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 109, 160, 218, 227, 436, 454, 545, 872, 908, 1090, 1135, 1744, 1816, 2180, 2270, 3488, 3632, 4360, 4540, 7264, 8720, 9080, 11881, 17440, 18160, 23762, 24743, 36320, 47524, 49486, 59405, 95048, 98972, 118810, 123715, 190096, 197944, 237620, 247430, 380192, 395888, 475240, 494860, 791776, 950480, 989720, 1900960, 1979440, 2696987, 3958880, 5393974, 10787948, 13484935, 21575896, 26969870, 43151792, 53939740, 86303584, 107879480, 215758960, 431517920]

約数ペア:

[(1, 431517920), (2, 215758960), (4, 107879480), (5, 86303584), (8, 53939740), (10, 43151792), (16, 26969870), (20, 21575896), (32, 13484935), (40, 10787948), (80, 5393974), (109, 3958880), (160, 2696987), (218, 1979440), (227, 1900960), (436, 989720), (454, 950480), (545, 791776), (872, 494860), (908, 475240), (1090, 395888), (1135, 380192), (1744, 247430), (1816, 237620), (2180, 197944), (2270, 190096), (3488, 123715), (3632, 118810), (4360, 98972), (4540, 95048), (7264, 59405), (8720, 49486), (9080, 47524), (11881, 36320), (17440, 24743), (18160, 23762)]