1406990090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{673201}}^1$

素因数の和:673238

約数の個数: 32

約数和(自身を含む): 2908232640

約数和(自身を除く): 1501242550

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 673201, 1346402, 3366005, 6732010, 7405211, 12790819, 14810422, 25581638, 37026055, 63954095, 74052110, 127908190, 140699009, 281398018, 703495045, 1406990090]

約数ペア:

[(1, 1406990090), (2, 703495045), (5, 281398018), (10, 140699009), (11, 127908190), (19, 74052110), (22, 63954095), (38, 37026055), (55, 25581638), (95, 14810422), (110, 12790819), (190, 7405211), (209, 6732010), (418, 3366005), (1045, 1346402), (2090, 673201)]