201765520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{13487}}^1$

素因数の和:13528

約数の個数: 80

約数和(自身を含む): 541893888

約数和(自身を除く): 340128368

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 170, 176, 187, 220, 272, 340, 374, 440, 680, 748, 880, 935, 1360, 1496, 1870, 2992, 3740, 7480, 13487, 14960, 26974, 53948, 67435, 107896, 134870, 148357, 215792, 229279, 269740, 296714, 458558, 539480, 593428, 741785, 917116, 1078960, 1146395, 1186856, 1483570, 1834232, 2292790, 2373712, 2522069, 2967140, 3668464, 4585580, 5044138, 5934280, 9171160, 10088276, 11868560, 12610345, 18342320, 20176552, 25220690, 40353104, 50441380, 100882760, 201765520]

約数ペア:

[(1, 201765520), (2, 100882760), (4, 50441380), (5, 40353104), (8, 25220690), (10, 20176552), (11, 18342320), (16, 12610345), (17, 11868560), (20, 10088276), (22, 9171160), (34, 5934280), (40, 5044138), (44, 4585580), (55, 3668464), (68, 2967140), (80, 2522069), (85, 2373712), (88, 2292790), (110, 1834232), (136, 1483570), (170, 1186856), (176, 1146395), (187, 1078960), (220, 917116), (272, 741785), (340, 593428), (374, 539480), (440, 458558), (680, 296714), (748, 269740), (880, 229279), (935, 215792), (1360, 148357), (1496, 134870), (1870, 107896), (2992, 67435), (3740, 53948), (7480, 26974), (13487, 14960)]