221425850

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{337}}^1\times {\mathrm{773}}^1$

素因数の和:1139

約数の個数: 48

約数和(自身を含む): 437938488

約数和(自身を除く): 216512638

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 170, 337, 425, 674, 773, 850, 1546, 1685, 3370, 3865, 5729, 7730, 8425, 11458, 13141, 16850, 19325, 26282, 28645, 38650, 57290, 65705, 131410, 143225, 260501, 286450, 328525, 521002, 657050, 1302505, 2605010, 4428517, 6512525, 8857034, 13025050, 22142585, 44285170, 110712925, 221425850]

約数ペア:

[(1, 221425850), (2, 110712925), (5, 44285170), (10, 22142585), (17, 13025050), (25, 8857034), (34, 6512525), (50, 4428517), (85, 2605010), (170, 1302505), (337, 657050), (425, 521002), (674, 328525), (773, 286450), (850, 260501), (1546, 143225), (1685, 131410), (3370, 65705), (3865, 57290), (5729, 38650), (7730, 28645), (8425, 26282), (11458, 19325), (13141, 16850)]