138291475

素因数分解:

$5^2\times 7^2\times {\mathrm{79}}^1\times {\mathrm{1429}}^1$

素因数の和:1532

約数の個数: 36

約数和(自身を含む): 202144800

約数和(自身を除く): 63853325

約数列:

[1, 5, 7, 25, 35, 49, 79, 175, 245, 395, 553, 1225, 1429, 1975, 2765, 3871, 7145, 10003, 13825, 19355, 35725, 50015, 70021, 96775, 112891, 250075, 350105, 564455, 790237, 1750525, 2822275, 3951185, 5531659, 19755925, 27658295, 138291475]

約数ペア:

[(1, 138291475), (5, 27658295), (7, 19755925), (25, 5531659), (35, 3951185), (49, 2822275), (79, 1750525), (175, 790237), (245, 564455), (395, 350105), (553, 250075), (1225, 112891), (1429, 96775), (1975, 70021), (2765, 50015), (3871, 35725), (7145, 19355), (10003, 13825)]