207966020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{617}}^1\times {\mathrm{887}}^1$

素因数の和:1532

約数の個数: 48

約数和(自身を含む): 460978560

約数和(自身を除く): 253012540

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 617, 887, 1234, 1774, 2468, 3085, 3548, 4435, 6170, 8870, 11723, 12340, 16853, 17740, 23446, 33706, 46892, 58615, 67412, 84265, 117230, 168530, 234460, 337060, 547279, 1094558, 2189116, 2736395, 5472790, 10398301, 10945580, 20796602, 41593204, 51991505, 103983010, 207966020]

約数ペア:

[(1, 207966020), (2, 103983010), (4, 51991505), (5, 41593204), (10, 20796602), (19, 10945580), (20, 10398301), (38, 5472790), (76, 2736395), (95, 2189116), (190, 1094558), (380, 547279), (617, 337060), (887, 234460), (1234, 168530), (1774, 117230), (2468, 84265), (3085, 67412), (3548, 58615), (4435, 46892), (6170, 33706), (8870, 23446), (11723, 17740), (12340, 16853)]