198220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1$

素因数の和:90

約数の個数: 48

約数和(自身を含む): 489888

約数和(自身を除く): 291668

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 53, 55, 68, 85, 106, 110, 170, 187, 212, 220, 265, 340, 374, 530, 583, 748, 901, 935, 1060, 1166, 1802, 1870, 2332, 2915, 3604, 3740, 4505, 5830, 9010, 9911, 11660, 18020, 19822, 39644, 49555, 99110, 198220]

約数ペア:

[(1, 198220), (2, 99110), (4, 49555), (5, 39644), (10, 19822), (11, 18020), (17, 11660), (20, 9911), (22, 9010), (34, 5830), (44, 4505), (53, 3740), (55, 3604), (68, 2915), (85, 2332), (106, 1870), (110, 1802), (170, 1166), (187, 1060), (212, 935), (220, 901), (265, 748), (340, 583), (374, 530)]