219570290

素因数分解:

$2^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{227}}^1\times {\mathrm{491}}^1$

素因数の和:922

約数の個数: 32

約数和(自身を含む): 399795264

約数和(自身を除く): 180224974

約数列:

[1, 2, 5, 10, 197, 227, 394, 454, 491, 982, 985, 1135, 1970, 2270, 2455, 4910, 44719, 89438, 96727, 111457, 193454, 222914, 223595, 447190, 483635, 557285, 967270, 1114570, 21957029, 43914058, 109785145, 219570290]

約数ペア:

[(1, 219570290), (2, 109785145), (5, 43914058), (10, 21957029), (197, 1114570), (227, 967270), (394, 557285), (454, 483635), (491, 447190), (982, 223595), (985, 222914), (1135, 193454), (1970, 111457), (2270, 96727), (2455, 89438), (4910, 44719)]