1998889740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1181}}^1\times {\mathrm{9403}}^1$

素因数の和:10599

約数の個数: 72

約数和(自身を含む): 6069078288

約数和(自身を除く): 4070188548

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1181, 2362, 3543, 4724, 5905, 7086, 9403, 10629, 11810, 14172, 17715, 18806, 21258, 23620, 28209, 35430, 37612, 42516, 47015, 53145, 56418, 70860, 84627, 94030, 106290, 112836, 141045, 169254, 188060, 212580, 282090, 338508, 423135, 564180, 846270, 1692540, 11104943, 22209886, 33314829, 44419772, 55524715, 66629658, 99944487, 111049430, 133259316, 166574145, 199888974, 222098860, 333148290, 399777948, 499722435, 666296580, 999444870, 1998889740]

約数ペア:

[(1, 1998889740), (2, 999444870), (3, 666296580), (4, 499722435), (5, 399777948), (6, 333148290), (9, 222098860), (10, 199888974), (12, 166574145), (15, 133259316), (18, 111049430), (20, 99944487), (30, 66629658), (36, 55524715), (45, 44419772), (60, 33314829), (90, 22209886), (180, 11104943), (1181, 1692540), (2362, 846270), (3543, 564180), (4724, 423135), (5905, 338508), (7086, 282090), (9403, 212580), (10629, 188060), (11810, 169254), (14172, 141045), (17715, 112836), (18806, 106290), (21258, 94030), (23620, 84627), (28209, 70860), (35430, 56418), (37612, 53145), (42516, 47015)]