198248240

素因数分解:

$2^4\times 5^1\times {\mathrm{1151}}^1\times {\mathrm{2153}}^1$

素因数の和:3317

約数の個数: 40

約数和(自身を含む): 461541888

約数和(自身を除く): 263293648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1151, 2153, 2302, 4306, 4604, 5755, 8612, 9208, 10765, 11510, 17224, 18416, 21530, 23020, 34448, 43060, 46040, 86120, 92080, 172240, 2478103, 4956206, 9912412, 12390515, 19824824, 24781030, 39649648, 49562060, 99124120, 198248240]

約数ペア:

[(1, 198248240), (2, 99124120), (4, 49562060), (5, 39649648), (8, 24781030), (10, 19824824), (16, 12390515), (20, 9912412), (40, 4956206), (80, 2478103), (1151, 172240), (2153, 92080), (2302, 86120), (4306, 46040), (4604, 43060), (5755, 34448), (8612, 23020), (9208, 21530), (10765, 18416), (11510, 17224)]