890220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{401}}^1$

素因数の和:450

約数の個数: 48

約数和(自身を含む): 2566368

約数和(自身を除く): 1676148

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 401, 444, 555, 740, 802, 1110, 1203, 1604, 2005, 2220, 2406, 4010, 4812, 6015, 8020, 12030, 14837, 24060, 29674, 44511, 59348, 74185, 89022, 148370, 178044, 222555, 296740, 445110, 890220]

約数ペア:

[(1, 890220), (2, 445110), (3, 296740), (4, 222555), (5, 178044), (6, 148370), (10, 89022), (12, 74185), (15, 59348), (20, 44511), (30, 29674), (37, 24060), (60, 14837), (74, 12030), (111, 8020), (148, 6015), (185, 4812), (222, 4010), (370, 2406), (401, 2220), (444, 2005), (555, 1604), (740, 1203), (802, 1110)]