31984220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1153}}^1$

素因数の和:1254

約数の個数: 48

約数和(自身を含む): 71732640

約数和(自身を除く): 39748420

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 73, 76, 95, 146, 190, 292, 365, 380, 730, 1153, 1387, 1460, 2306, 2774, 4612, 5548, 5765, 6935, 11530, 13870, 21907, 23060, 27740, 43814, 84169, 87628, 109535, 168338, 219070, 336676, 420845, 438140, 841690, 1599211, 1683380, 3198422, 6396844, 7996055, 15992110, 31984220]

約数ペア:

[(1, 31984220), (2, 15992110), (4, 7996055), (5, 6396844), (10, 3198422), (19, 1683380), (20, 1599211), (38, 841690), (73, 438140), (76, 420845), (95, 336676), (146, 219070), (190, 168338), (292, 109535), (365, 87628), (380, 84169), (730, 43814), (1153, 27740), (1387, 23060), (1460, 21907), (2306, 13870), (2774, 11530), (4612, 6935), (5548, 5765)]