89897940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{45403}}^1$

素因数の和:45429

約数の個数: 72

約数和(自身を含む): 297487008

約数和(自身を除く): 207589068

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 45403, 90806, 136209, 181612, 227015, 272418, 408627, 454030, 499433, 544836, 681045, 817254, 908060, 998866, 1362090, 1498299, 1634508, 1997732, 2043135, 2497165, 2724180, 2996598, 4086270, 4494897, 4994330, 5993196, 7491495, 8172540, 8989794, 9988660, 14982990, 17979588, 22474485, 29965980, 44948970, 89897940]

約数ペア:

[(1, 89897940), (2, 44948970), (3, 29965980), (4, 22474485), (5, 17979588), (6, 14982990), (9, 9988660), (10, 8989794), (11, 8172540), (12, 7491495), (15, 5993196), (18, 4994330), (20, 4494897), (22, 4086270), (30, 2996598), (33, 2724180), (36, 2497165), (44, 2043135), (45, 1997732), (55, 1634508), (60, 1498299), (66, 1362090), (90, 998866), (99, 908060), (110, 817254), (132, 681045), (165, 544836), (180, 499433), (198, 454030), (220, 408627), (330, 272418), (396, 227015), (495, 181612), (660, 136209), (990, 90806), (1980, 45403)]