205121723344

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{491}}^1\times {\mathrm{8753}}^1$

素因数の和:9428

約数の個数: 80

約数和(自身を含む): 421910585280

約数和(自身を除く): 216788861936

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 157, 304, 314, 491, 628, 982, 1256, 1964, 2512, 2983, 3928, 5966, 7856, 8753, 9329, 11932, 17506, 18658, 23864, 35012, 37316, 47728, 70024, 74632, 77087, 140048, 149264, 154174, 166307, 308348, 332614, 616696, 665228, 1233392, 1330456, 1374221, 1464653, 2660912, 2748442, 2929306, 4297723, 5496884, 5858612, 8595446, 10993768, 11717224, 17190892, 21987536, 23434448, 26110199, 34381784, 52220398, 68763568, 81656737, 104440796, 163313474, 208881592, 326626948, 417763184, 653253896, 674742511, 1306507792, 1349485022, 2698970044, 5397940088, 10795880176, 12820107709, 25640215418, 51280430836, 102560861672, 205121723344]

約数ペア:

[(1, 205121723344), (2, 102560861672), (4, 51280430836), (8, 25640215418), (16, 12820107709), (19, 10795880176), (38, 5397940088), (76, 2698970044), (152, 1349485022), (157, 1306507792), (304, 674742511), (314, 653253896), (491, 417763184), (628, 326626948), (982, 208881592), (1256, 163313474), (1964, 104440796), (2512, 81656737), (2983, 68763568), (3928, 52220398), (5966, 34381784), (7856, 26110199), (8753, 23434448), (9329, 21987536), (11932, 17190892), (17506, 11717224), (18658, 10993768), (23864, 8595446), (35012, 5858612), (37316, 5496884), (47728, 4297723), (70024, 2929306), (74632, 2748442), (77087, 2660912), (140048, 1464653), (149264, 1374221), (154174, 1330456), (166307, 1233392), (308348, 665228), (332614, 616696)]