31925180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1399}}^1$

素因数の和:1578

約数の個数: 48

約数和(自身を含む): 77145600

約数和(自身を除く): 45220420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 163, 326, 652, 815, 1141, 1399, 1630, 2282, 2798, 3260, 4564, 5596, 5705, 6995, 9793, 11410, 13990, 19586, 22820, 27980, 39172, 48965, 97930, 195860, 228037, 456074, 912148, 1140185, 1596259, 2280370, 3192518, 4560740, 6385036, 7981295, 15962590, 31925180]

約数ペア:

[(1, 31925180), (2, 15962590), (4, 7981295), (5, 6385036), (7, 4560740), (10, 3192518), (14, 2280370), (20, 1596259), (28, 1140185), (35, 912148), (70, 456074), (140, 228037), (163, 195860), (326, 97930), (652, 48965), (815, 39172), (1141, 27980), (1399, 22820), (1630, 19586), (2282, 13990), (2798, 11410), (3260, 9793), (4564, 6995), (5596, 5705)]