1949090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:107

約数の個数: 64

約数和(自身を含む): 4354560

約数和(自身を除く): 2405470

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 29, 47, 55, 58, 65, 94, 110, 130, 143, 145, 235, 286, 290, 319, 377, 470, 517, 611, 638, 715, 754, 1034, 1222, 1363, 1430, 1595, 1885, 2585, 2726, 3055, 3190, 3770, 4147, 5170, 6110, 6721, 6815, 8294, 13442, 13630, 14993, 17719, 20735, 29986, 33605, 35438, 41470, 67210, 74965, 88595, 149930, 177190, 194909, 389818, 974545, 1949090]

約数ペア:

[(1, 1949090), (2, 974545), (5, 389818), (10, 194909), (11, 177190), (13, 149930), (22, 88595), (26, 74965), (29, 67210), (47, 41470), (55, 35438), (58, 33605), (65, 29986), (94, 20735), (110, 17719), (130, 14993), (143, 13630), (145, 13442), (235, 8294), (286, 6815), (290, 6721), (319, 6110), (377, 5170), (470, 4147), (517, 3770), (611, 3190), (638, 3055), (715, 2726), (754, 2585), (1034, 1885), (1222, 1595), (1363, 1430)]