217939250

素因数分解:

$2^1\times 5^3\times {\mathrm{37}}^1\times {\mathrm{23561}}^1$

素因数の和:23615

約数の個数: 32

約数和(自身を含む): 419026608

約数和(自身を除く): 201087358

約数列:

[1, 2, 5, 10, 25, 37, 50, 74, 125, 185, 250, 370, 925, 1850, 4625, 9250, 23561, 47122, 117805, 235610, 589025, 871757, 1178050, 1743514, 2945125, 4358785, 5890250, 8717570, 21793925, 43587850, 108969625, 217939250]

約数ペア:

[(1, 217939250), (2, 108969625), (5, 43587850), (10, 21793925), (25, 8717570), (37, 5890250), (50, 4358785), (74, 2945125), (125, 1743514), (185, 1178050), (250, 871757), (370, 589025), (925, 235610), (1850, 117805), (4625, 47122), (9250, 23561)]