61719740

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{151}}^1\times {\mathrm{191}}^1$

素因数の和:458

約数の個数: 48

約数和(自身を含む): 132378624

約数和(自身を除く): 70658884

約数列:

[1, 2, 4, 5, 10, 20, 107, 151, 191, 214, 302, 382, 428, 535, 604, 755, 764, 955, 1070, 1510, 1910, 2140, 3020, 3820, 16157, 20437, 28841, 32314, 40874, 57682, 64628, 80785, 81748, 102185, 115364, 144205, 161570, 204370, 288410, 323140, 408740, 576820, 3085987, 6171974, 12343948, 15429935, 30859870, 61719740]

約数ペア:

[(1, 61719740), (2, 30859870), (4, 15429935), (5, 12343948), (10, 6171974), (20, 3085987), (107, 576820), (151, 408740), (191, 323140), (214, 288410), (302, 204370), (382, 161570), (428, 144205), (535, 115364), (604, 102185), (755, 81748), (764, 80785), (955, 64628), (1070, 57682), (1510, 40874), (1910, 32314), (2140, 28841), (3020, 20437), (3820, 16157)]