208023950

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{1303}}^1$

素因数の和:1449

約数の個数: 48

約数和(自身を含む): 403593216

約数和(自身を除く): 195569266

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 103, 155, 206, 310, 515, 775, 1030, 1303, 1550, 2575, 2606, 3193, 5150, 6386, 6515, 13030, 15965, 31930, 32575, 40393, 65150, 79825, 80786, 134209, 159650, 201965, 268418, 403930, 671045, 1009825, 1342090, 2019650, 3355225, 4160479, 6710450, 8320958, 20802395, 41604790, 104011975, 208023950]

約数ペア:

[(1, 208023950), (2, 104011975), (5, 41604790), (10, 20802395), (25, 8320958), (31, 6710450), (50, 4160479), (62, 3355225), (103, 2019650), (155, 1342090), (206, 1009825), (310, 671045), (515, 403930), (775, 268418), (1030, 201965), (1303, 159650), (1550, 134209), (2575, 80786), (2606, 79825), (3193, 65150), (5150, 40393), (6386, 32575), (6515, 31930), (13030, 15965)]