209170980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1162061}}^1$

素因数の和:1162076

約数の個数: 36

約数和(自身を含む): 634485852

約数和(自身を除く): 425314872

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1162061, 2324122, 3486183, 4648244, 5810305, 6972366, 10458549, 11620610, 13944732, 17430915, 20917098, 23241220, 34861830, 41834196, 52292745, 69723660, 104585490, 209170980]

約数ペア:

[(1, 209170980), (2, 104585490), (3, 69723660), (4, 52292745), (5, 41834196), (6, 34861830), (9, 23241220), (10, 20917098), (12, 17430915), (15, 13944732), (18, 11620610), (20, 10458549), (30, 6972366), (36, 5810305), (45, 4648244), (60, 3486183), (90, 2324122), (180, 1162061)]