66210250

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{263}}^1$

素因数の和:352

約数の個数: 64

約数和(自身を含む): 133436160

約数和(自身を除く): 67225910

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 53, 95, 106, 125, 190, 250, 263, 265, 475, 526, 530, 950, 1007, 1315, 1325, 2014, 2375, 2630, 2650, 4750, 4997, 5035, 6575, 6625, 9994, 10070, 13150, 13250, 13939, 24985, 25175, 27878, 32875, 49970, 50350, 65750, 69695, 124925, 125875, 139390, 249850, 251750, 264841, 348475, 529682, 624625, 696950, 1249250, 1324205, 1742375, 2648410, 3484750, 6621025, 13242050, 33105125, 66210250]

約数ペア:

[(1, 66210250), (2, 33105125), (5, 13242050), (10, 6621025), (19, 3484750), (25, 2648410), (38, 1742375), (50, 1324205), (53, 1249250), (95, 696950), (106, 624625), (125, 529682), (190, 348475), (250, 264841), (263, 251750), (265, 249850), (475, 139390), (526, 125875), (530, 124925), (950, 69695), (1007, 65750), (1315, 50350), (1325, 49970), (2014, 32875), (2375, 27878), (2630, 25175), (2650, 24985), (4750, 13939), (4997, 13250), (5035, 13150), (6575, 10070), (6625, 9994)]