209352240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{290767}}^1$

素因数の和:290786

約数の個数: 60

約数和(自身を含む): 703077024

約数和(自身を除く): 493724784

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 290767, 581534, 872301, 1163068, 1453835, 1744602, 2326136, 2616903, 2907670, 3489204, 4361505, 4652272, 5233806, 5815340, 6978408, 8723010, 10467612, 11630680, 13084515, 13956816, 17446020, 20935224, 23261360, 26169030, 34892040, 41870448, 52338060, 69784080, 104676120, 209352240]

約数ペア:

[(1, 209352240), (2, 104676120), (3, 69784080), (4, 52338060), (5, 41870448), (6, 34892040), (8, 26169030), (9, 23261360), (10, 20935224), (12, 17446020), (15, 13956816), (16, 13084515), (18, 11630680), (20, 10467612), (24, 8723010), (30, 6978408), (36, 5815340), (40, 5233806), (45, 4652272), (48, 4361505), (60, 3489204), (72, 2907670), (80, 2616903), (90, 2326136), (120, 1744602), (144, 1453835), (180, 1163068), (240, 872301), (360, 581534), (720, 290767)]