31631390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1399}}^1$

素因数の和:1449

約数の個数: 64

約数和(自身を含む): 72576000

約数和(自身を除く): 40944610

約数列:

[1, 2, 5, 7, 10, 14, 17, 19, 34, 35, 38, 70, 85, 95, 119, 133, 170, 190, 238, 266, 323, 595, 646, 665, 1190, 1330, 1399, 1615, 2261, 2798, 3230, 4522, 6995, 9793, 11305, 13990, 19586, 22610, 23783, 26581, 47566, 48965, 53162, 97930, 118915, 132905, 166481, 186067, 237830, 265810, 332962, 372134, 451877, 832405, 903754, 930335, 1664810, 1860670, 2259385, 3163139, 4518770, 6326278, 15815695, 31631390]

約数ペア:

[(1, 31631390), (2, 15815695), (5, 6326278), (7, 4518770), (10, 3163139), (14, 2259385), (17, 1860670), (19, 1664810), (34, 930335), (35, 903754), (38, 832405), (70, 451877), (85, 372134), (95, 332962), (119, 265810), (133, 237830), (170, 186067), (190, 166481), (238, 132905), (266, 118915), (323, 97930), (595, 53162), (646, 48965), (665, 47566), (1190, 26581), (1330, 23783), (1399, 22610), (1615, 19586), (2261, 13990), (2798, 11305), (3230, 9793), (4522, 6995)]