205599020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{54973}}^1$

素因数の和:55010

約数の個数: 48

約数和(自身を含む): 498724128

約数和(自身を除く): 293125108

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3740, 54973, 109946, 219892, 274865, 549730, 604703, 934541, 1099460, 1209406, 1869082, 2418812, 3023515, 3738164, 4672705, 6047030, 9345410, 10279951, 12094060, 18690820, 20559902, 41119804, 51399755, 102799510, 205599020]

約数ペア:

[(1, 205599020), (2, 102799510), (4, 51399755), (5, 41119804), (10, 20559902), (11, 18690820), (17, 12094060), (20, 10279951), (22, 9345410), (34, 6047030), (44, 4672705), (55, 3738164), (68, 3023515), (85, 2418812), (110, 1869082), (170, 1209406), (187, 1099460), (220, 934541), (340, 604703), (374, 549730), (748, 274865), (935, 219892), (1870, 109946), (3740, 54973)]