212728670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{641}}^1$

素因数の和:1097

約数の個数: 64

約数和(自身を含む): 479250432

約数和(自身を除く): 266521762

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 431, 641, 770, 862, 1282, 2155, 3017, 3205, 4310, 4487, 4741, 6034, 6410, 7051, 8974, 9482, 14102, 15085, 22435, 23705, 30170, 33187, 35255, 44870, 47410, 49357, 66374, 70510, 98714, 165935, 246785, 276271, 331870, 493570, 552542, 1381355, 1933897, 2762710, 3038981, 3867794, 6077962, 9669485, 15194905, 19338970, 21272867, 30389810, 42545734, 106364335, 212728670]

約数ペア:

[(1, 212728670), (2, 106364335), (5, 42545734), (7, 30389810), (10, 21272867), (11, 19338970), (14, 15194905), (22, 9669485), (35, 6077962), (55, 3867794), (70, 3038981), (77, 2762710), (110, 1933897), (154, 1381355), (385, 552542), (431, 493570), (641, 331870), (770, 276271), (862, 246785), (1282, 165935), (2155, 98714), (3017, 70510), (3205, 66374), (4310, 49357), (4487, 47410), (4741, 44870), (6034, 35255), (6410, 33187), (7051, 30170), (8974, 23705), (9482, 22435), (14102, 15085)]