81400350

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{421}}^1\times {\mathrm{1289}}^1$

素因数の和:1725

約数の個数: 48

約数和(自身を含む): 202509360

約数和(自身を除く): 121109010

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 421, 842, 1263, 1289, 2105, 2526, 2578, 3867, 4210, 6315, 6445, 7734, 10525, 12630, 12890, 19335, 21050, 31575, 32225, 38670, 63150, 64450, 96675, 193350, 542669, 1085338, 1628007, 2713345, 3256014, 5426690, 8140035, 13566725, 16280070, 27133450, 40700175, 81400350]

約数ペア:

[(1, 81400350), (2, 40700175), (3, 27133450), (5, 16280070), (6, 13566725), (10, 8140035), (15, 5426690), (25, 3256014), (30, 2713345), (50, 1628007), (75, 1085338), (150, 542669), (421, 193350), (842, 96675), (1263, 64450), (1289, 63150), (2105, 38670), (2526, 32225), (2578, 31575), (3867, 21050), (4210, 19335), (6315, 12890), (6445, 12630), (7734, 10525)]