198100440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{550279}}^1$

素因数の和:550296

約数の個数: 48

約数和(自身を含む): 643827600

約数和(自身を除く): 445727160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 550279, 1100558, 1650837, 2201116, 2751395, 3301674, 4402232, 4952511, 5502790, 6603348, 8254185, 9905022, 11005580, 13206696, 16508370, 19810044, 22011160, 24762555, 33016740, 39620088, 49525110, 66033480, 99050220, 198100440]

約数ペア:

[(1, 198100440), (2, 99050220), (3, 66033480), (4, 49525110), (5, 39620088), (6, 33016740), (8, 24762555), (9, 22011160), (10, 19810044), (12, 16508370), (15, 13206696), (18, 11005580), (20, 9905022), (24, 8254185), (30, 6603348), (36, 5502790), (40, 4952511), (45, 4402232), (60, 3301674), (72, 2751395), (90, 2201116), (120, 1650837), (180, 1100558), (360, 550279)]