889131760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{4451}}^1$

素因数の和:4702

約数の個数: 80

約数和(自身を含む): 2265604992

約数和(自身を除く): 1376473232

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 227, 440, 454, 880, 908, 1135, 1816, 2270, 2497, 3632, 4451, 4540, 4994, 8902, 9080, 9988, 12485, 17804, 18160, 19976, 22255, 24970, 35608, 39952, 44510, 48961, 49940, 71216, 89020, 97922, 99880, 178040, 195844, 199760, 244805, 356080, 391688, 489610, 783376, 979220, 1010377, 1958440, 2020754, 3916880, 4041508, 5051885, 8083016, 10103770, 11114147, 16166032, 20207540, 22228294, 40415080, 44456588, 55570735, 80830160, 88913176, 111141470, 177826352, 222282940, 444565880, 889131760]

約数ペア:

[(1, 889131760), (2, 444565880), (4, 222282940), (5, 177826352), (8, 111141470), (10, 88913176), (11, 80830160), (16, 55570735), (20, 44456588), (22, 40415080), (40, 22228294), (44, 20207540), (55, 16166032), (80, 11114147), (88, 10103770), (110, 8083016), (176, 5051885), (220, 4041508), (227, 3916880), (440, 2020754), (454, 1958440), (880, 1010377), (908, 979220), (1135, 783376), (1816, 489610), (2270, 391688), (2497, 356080), (3632, 244805), (4451, 199760), (4540, 195844), (4994, 178040), (8902, 99880), (9080, 97922), (9988, 89020), (12485, 71216), (17804, 49940), (18160, 48961), (19976, 44510), (22255, 39952), (24970, 35608)]