217417480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{9829}}^1$

素因数の和:9926

約数の個数: 64

約数和(自身を含む): 566208000

約数和(自身を除く): 348790520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 79, 140, 158, 280, 316, 395, 553, 632, 790, 1106, 1580, 2212, 2765, 3160, 4424, 5530, 9829, 11060, 19658, 22120, 39316, 49145, 68803, 78632, 98290, 137606, 196580, 275212, 344015, 393160, 550424, 688030, 776491, 1376060, 1552982, 2752120, 3105964, 3882455, 5435437, 6211928, 7764910, 10870874, 15529820, 21741748, 27177185, 31059640, 43483496, 54354370, 108708740, 217417480]

約数ペア:

[(1, 217417480), (2, 108708740), (4, 54354370), (5, 43483496), (7, 31059640), (8, 27177185), (10, 21741748), (14, 15529820), (20, 10870874), (28, 7764910), (35, 6211928), (40, 5435437), (56, 3882455), (70, 3105964), (79, 2752120), (140, 1552982), (158, 1376060), (280, 776491), (316, 688030), (395, 550424), (553, 393160), (632, 344015), (790, 275212), (1106, 196580), (1580, 137606), (2212, 98290), (2765, 78632), (3160, 68803), (4424, 49145), (5530, 39316), (9829, 22120), (11060, 19658)]