290200946

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{10009}}^1$

素因数の和:10146

約数の個数: 32

約数和(自身を含む): 528528000

約数和(自身を除く): 238327054

約数列:

[1, 2, 7, 14, 19, 38, 109, 133, 218, 266, 763, 1526, 2071, 4142, 10009, 14497, 20018, 28994, 70063, 140126, 190171, 380342, 1090981, 1331197, 2181962, 2662394, 7636867, 15273734, 20728639, 41457278, 145100473, 290200946]

約数ペア:

[(1, 290200946), (2, 145100473), (7, 41457278), (14, 20728639), (19, 15273734), (38, 7636867), (109, 2662394), (133, 2181962), (218, 1331197), (266, 1090981), (763, 380342), (1526, 190171), (2071, 140126), (4142, 70063), (10009, 28994), (14497, 20018)]