198959490

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{245629}}^1$

素因数の和:245648

約数の個数: 40

約数和(自身を含む): 534982140

約数和(自身を除く): 336022650

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 245629, 491258, 736887, 1228145, 1473774, 2210661, 2456290, 3684435, 4421322, 6631983, 7368870, 11053305, 13263966, 19895949, 22106610, 33159915, 39791898, 66319830, 99479745, 198959490]

約数ペア:

[(1, 198959490), (2, 99479745), (3, 66319830), (5, 39791898), (6, 33159915), (9, 22106610), (10, 19895949), (15, 13263966), (18, 11053305), (27, 7368870), (30, 6631983), (45, 4421322), (54, 3684435), (81, 2456290), (90, 2210661), (135, 1473774), (162, 1228145), (270, 736887), (405, 491258), (810, 245629)]