2020449095

素因数分解:

$5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{751}}^1$

素因数の和:988

約数の個数: 48

約数和(自身を含む): 2880460800

約数和(自身を除く): 860011705

約数列:

[1, 5, 7, 35, 49, 79, 139, 245, 395, 553, 695, 751, 973, 2765, 3755, 3871, 4865, 5257, 6811, 10981, 19355, 26285, 34055, 36799, 54905, 59329, 76867, 104389, 183995, 296645, 384335, 415303, 521945, 538069, 730723, 2076515, 2690345, 2907121, 3653615, 5115061, 8246731, 14535605, 25575305, 41233655, 57727117, 288635585, 404089819, 2020449095]

約数ペア:

[(1, 2020449095), (5, 404089819), (7, 288635585), (35, 57727117), (49, 41233655), (79, 25575305), (139, 14535605), (245, 8246731), (395, 5115061), (553, 3653615), (695, 2907121), (751, 2690345), (973, 2076515), (2765, 730723), (3755, 538069), (3871, 521945), (4865, 415303), (5257, 384335), (6811, 296645), (10981, 183995), (19355, 104389), (26285, 76867), (34055, 59329), (36799, 54905)]