637475180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{7129}}^1$

素因数の和:7418

約数の個数: 48

約数和(自身を含む): 1423033920

約数和(自身を除く): 785558740

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 263, 340, 526, 1052, 1315, 2630, 4471, 5260, 7129, 8942, 14258, 17884, 22355, 28516, 35645, 44710, 71290, 89420, 121193, 142580, 242386, 484772, 605965, 1211930, 1874927, 2423860, 3749854, 7499708, 9374635, 18749270, 31873759, 37498540, 63747518, 127495036, 159368795, 318737590, 637475180]

約数ペア:

[(1, 637475180), (2, 318737590), (4, 159368795), (5, 127495036), (10, 63747518), (17, 37498540), (20, 31873759), (34, 18749270), (68, 9374635), (85, 7499708), (170, 3749854), (263, 2423860), (340, 1874927), (526, 1211930), (1052, 605965), (1315, 484772), (2630, 242386), (4471, 142580), (5260, 121193), (7129, 89420), (8942, 71290), (14258, 44710), (17884, 35645), (22355, 28516)]