290305800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{161281}}^1$

素因数の和:161303

約数の個数: 72

約数和(自身を含む): 974949690

約数和(自身を除く): 684643890

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 150, 180, 200, 225, 300, 360, 450, 600, 900, 1800, 161281, 322562, 483843, 645124, 806405, 967686, 1290248, 1451529, 1612810, 1935372, 2419215, 2903058, 3225620, 3870744, 4032025, 4838430, 5806116, 6451240, 7257645, 8064050, 9676860, 11612232, 12096075, 14515290, 16128100, 19353720, 24192150, 29030580, 32256200, 36288225, 48384300, 58061160, 72576450, 96768600, 145152900, 290305800]

約数ペア:

[(1, 290305800), (2, 145152900), (3, 96768600), (4, 72576450), (5, 58061160), (6, 48384300), (8, 36288225), (9, 32256200), (10, 29030580), (12, 24192150), (15, 19353720), (18, 16128100), (20, 14515290), (24, 12096075), (25, 11612232), (30, 9676860), (36, 8064050), (40, 7257645), (45, 6451240), (50, 5806116), (60, 4838430), (72, 4032025), (75, 3870744), (90, 3225620), (100, 2903058), (120, 2419215), (150, 1935372), (180, 1612810), (200, 1451529), (225, 1290248), (300, 967686), (360, 806405), (450, 645124), (600, 483843), (900, 322562), (1800, 161281)]