254320

素因数分解:

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

素因数の和:58

約数の個数: 60

約数和(自身を含む): 685224

約数和(自身を除く): 430904

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, 289, 340, 374, 440, 578, 680, 748, 880, 935, 1156, 1360, 1445, 1496, 1870, 2312, 2890, 2992, 3179, 3740, 4624, 5780, 6358, 7480, 11560, 12716, 14960, 15895, 23120, 25432, 31790, 50864, 63580, 127160, 254320]

約数ペア:

[(1, 254320), (2, 127160), (4, 63580), (5, 50864), (8, 31790), (10, 25432), (11, 23120), (16, 15895), (17, 14960), (20, 12716), (22, 11560), (34, 7480), (40, 6358), (44, 5780), (55, 4624), (68, 3740), (80, 3179), (85, 2992), (88, 2890), (110, 2312), (136, 1870), (170, 1496), (176, 1445), (187, 1360), (220, 1156), (272, 935), (289, 880), (340, 748), (374, 680), (440, 578)]