697480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:118

約数の個数: 64

約数和(自身を含む): 1866240

約数和(自身を除く): 1168760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 53, 56, 70, 94, 106, 140, 188, 212, 235, 265, 280, 329, 371, 376, 424, 470, 530, 658, 742, 940, 1060, 1316, 1484, 1645, 1855, 1880, 2120, 2491, 2632, 2968, 3290, 3710, 4982, 6580, 7420, 9964, 12455, 13160, 14840, 17437, 19928, 24910, 34874, 49820, 69748, 87185, 99640, 139496, 174370, 348740, 697480]

約数ペア:

[(1, 697480), (2, 348740), (4, 174370), (5, 139496), (7, 99640), (8, 87185), (10, 69748), (14, 49820), (20, 34874), (28, 24910), (35, 19928), (40, 17437), (47, 14840), (53, 13160), (56, 12455), (70, 9964), (94, 7420), (106, 6580), (140, 4982), (188, 3710), (212, 3290), (235, 2968), (265, 2632), (280, 2491), (329, 2120), (371, 1880), (376, 1855), (424, 1645), (470, 1484), (530, 1316), (658, 1060), (742, 940)]