205000880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{19267}}^1$

素因数の和:19306

約数の個数: 80

約数和(自身を含む): 573415680

約数和(自身を除く): 368414800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1330, 1520, 2128, 2660, 5320, 10640, 19267, 38534, 77068, 96335, 134869, 154136, 192670, 269738, 308272, 366073, 385340, 539476, 674345, 732146, 770680, 1078952, 1348690, 1464292, 1541360, 1830365, 2157904, 2562511, 2697380, 2928584, 3660730, 5125022, 5394760, 5857168, 7321460, 10250044, 10789520, 12812555, 14642920, 20500088, 25625110, 29285840, 41000176, 51250220, 102500440, 205000880]

約数ペア:

[(1, 205000880), (2, 102500440), (4, 51250220), (5, 41000176), (7, 29285840), (8, 25625110), (10, 20500088), (14, 14642920), (16, 12812555), (19, 10789520), (20, 10250044), (28, 7321460), (35, 5857168), (38, 5394760), (40, 5125022), (56, 3660730), (70, 2928584), (76, 2697380), (80, 2562511), (95, 2157904), (112, 1830365), (133, 1541360), (140, 1464292), (152, 1348690), (190, 1078952), (266, 770680), (280, 732146), (304, 674345), (380, 539476), (532, 385340), (560, 366073), (665, 308272), (760, 269738), (1064, 192670), (1330, 154136), (1520, 134869), (2128, 96335), (2660, 77068), (5320, 38534), (10640, 19267)]