890249220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{706547}}^1$

素因数の和:706569

約数の個数: 72

約数和(自身を含む): 3086201664

約数和(自身を除く): 2195952444

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 706547, 1413094, 2119641, 2826188, 3532735, 4239282, 4945829, 6358923, 7065470, 8478564, 9891658, 10598205, 12717846, 14130940, 14837487, 19783316, 21196410, 24729145, 25435692, 29674974, 31794615, 42392820, 44512461, 49458290, 59349948, 63589230, 74187435, 89024922, 98916580, 127178460, 148374870, 178049844, 222562305, 296749740, 445124610, 890249220]

約数ペア:

[(1, 890249220), (2, 445124610), (3, 296749740), (4, 222562305), (5, 178049844), (6, 148374870), (7, 127178460), (9, 98916580), (10, 89024922), (12, 74187435), (14, 63589230), (15, 59349948), (18, 49458290), (20, 44512461), (21, 42392820), (28, 31794615), (30, 29674974), (35, 25435692), (36, 24729145), (42, 21196410), (45, 19783316), (60, 14837487), (63, 14130940), (70, 12717846), (84, 10598205), (90, 9891658), (105, 8478564), (126, 7065470), (140, 6358923), (180, 4945829), (210, 4239282), (252, 3532735), (315, 2826188), (420, 2119641), (630, 1413094), (1260, 706547)]