81514750

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{131}}^2$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 161862480

約数和(自身を除く): 80347730

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 125, 131, 190, 250, 262, 475, 655, 950, 1310, 2375, 2489, 3275, 4750, 4978, 6550, 12445, 16375, 17161, 24890, 32750, 34322, 62225, 85805, 124450, 171610, 311125, 326059, 429025, 622250, 652118, 858050, 1630295, 2145125, 3260590, 4290250, 8151475, 16302950, 40757375, 81514750]

約数ペア:

[(1, 81514750), (2, 40757375), (5, 16302950), (10, 8151475), (19, 4290250), (25, 3260590), (38, 2145125), (50, 1630295), (95, 858050), (125, 652118), (131, 622250), (190, 429025), (250, 326059), (262, 311125), (475, 171610), (655, 124450), (950, 85805), (1310, 62225), (2375, 34322), (2489, 32750), (3275, 24890), (4750, 17161), (4978, 16375), (6550, 12445)]