71908540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{17203}}^1$

素因数の和:17242

約数の個数: 48

約数和(自身を含む): 173416320

約数和(自身を除く): 101507780

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 17203, 34406, 68812, 86015, 172030, 189233, 326857, 344060, 378466, 653714, 756932, 946165, 1307428, 1634285, 1892330, 3268570, 3595427, 3784660, 6537140, 7190854, 14381708, 17977135, 35954270, 71908540]

約数ペア:

[(1, 71908540), (2, 35954270), (4, 17977135), (5, 14381708), (10, 7190854), (11, 6537140), (19, 3784660), (20, 3595427), (22, 3268570), (38, 1892330), (44, 1634285), (55, 1307428), (76, 946165), (95, 756932), (110, 653714), (190, 378466), (209, 344060), (220, 326857), (380, 189233), (418, 172030), (836, 86015), (1045, 68812), (2090, 34406), (4180, 17203)]