188498540

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{367}}^1\times {\mathrm{421}}^1$

素因数の和:858

約数の個数: 48

約数和(自身を含む): 404390784

約数和(自身を除く): 215892244

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 367, 421, 610, 734, 842, 1220, 1468, 1684, 1835, 2105, 3670, 4210, 7340, 8420, 22387, 25681, 44774, 51362, 89548, 102724, 111935, 128405, 154507, 223870, 256810, 309014, 447740, 513620, 618028, 772535, 1545070, 3090140, 9424927, 18849854, 37699708, 47124635, 94249270, 188498540]

約数ペア:

[(1, 188498540), (2, 94249270), (4, 47124635), (5, 37699708), (10, 18849854), (20, 9424927), (61, 3090140), (122, 1545070), (244, 772535), (305, 618028), (367, 513620), (421, 447740), (610, 309014), (734, 256810), (842, 223870), (1220, 154507), (1468, 128405), (1684, 111935), (1835, 102724), (2105, 89548), (3670, 51362), (4210, 44774), (7340, 25681), (8420, 22387)]