172971470

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{211}}^1\times {\mathrm{239}}^1$

素因数の和:478

約数の個数: 64

約数和(自身を含む): 366336000

約数和(自身を除く): 193364530

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 211, 239, 245, 343, 422, 478, 490, 686, 1055, 1195, 1477, 1673, 1715, 2110, 2390, 2954, 3346, 3430, 7385, 8365, 10339, 11711, 14770, 16730, 20678, 23422, 50429, 51695, 58555, 72373, 81977, 100858, 103390, 117110, 144746, 163954, 252145, 353003, 361865, 409885, 504290, 706006, 723730, 819770, 1765015, 2471021, 3530030, 4942042, 12355105, 17297147, 24710210, 34594294, 86485735, 172971470]

約数ペア:

[(1, 172971470), (2, 86485735), (5, 34594294), (7, 24710210), (10, 17297147), (14, 12355105), (35, 4942042), (49, 3530030), (70, 2471021), (98, 1765015), (211, 819770), (239, 723730), (245, 706006), (343, 504290), (422, 409885), (478, 361865), (490, 353003), (686, 252145), (1055, 163954), (1195, 144746), (1477, 117110), (1673, 103390), (1715, 100858), (2110, 81977), (2390, 72373), (2954, 58555), (3346, 51695), (3430, 50429), (7385, 23422), (8365, 20678), (10339, 16730), (11711, 14770)]