27777790

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:201

約数の個数: 48

約数和(自身を含む): 53751600

約数和(自身を除く): 25973810

約数列:

[1, 2, 5, 10, 23, 46, 59, 89, 115, 118, 178, 230, 295, 445, 529, 590, 890, 1058, 1357, 2047, 2645, 2714, 4094, 5251, 5290, 6785, 10235, 10502, 13570, 20470, 26255, 31211, 47081, 52510, 62422, 94162, 120773, 156055, 235405, 241546, 312110, 470810, 603865, 1207730, 2777779, 5555558, 13888895, 27777790]

約数ペア:

[(1, 27777790), (2, 13888895), (5, 5555558), (10, 2777779), (23, 1207730), (46, 603865), (59, 470810), (89, 312110), (115, 241546), (118, 235405), (178, 156055), (230, 120773), (295, 94162), (445, 62422), (529, 52510), (590, 47081), (890, 31211), (1058, 26255), (1357, 20470), (2047, 13570), (2645, 10502), (2714, 10235), (4094, 6785), (5251, 5290)]