19980540900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{22200601}}^1$

素因数の和:22200621

約数の個数: 54

約数和(自身を含む): 62627898242

約数和(自身を除く): 42647357342

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900, 22200601, 44401202, 66601803, 88802404, 111003005, 133203606, 199805409, 222006010, 266407212, 333009015, 399610818, 444012020, 555015025, 666018030, 799221636, 999027045, 1110030050, 1332036060, 1665045075, 1998054090, 2220060100, 3330090150, 3996108180, 4995135225, 6660180300, 9990270450, 19980540900]

約数ペア:

[(1, 19980540900), (2, 9990270450), (3, 6660180300), (4, 4995135225), (5, 3996108180), (6, 3330090150), (9, 2220060100), (10, 1998054090), (12, 1665045075), (15, 1332036060), (18, 1110030050), (20, 999027045), (25, 799221636), (30, 666018030), (36, 555015025), (45, 444012020), (50, 399610818), (60, 333009015), (75, 266407212), (90, 222006010), (100, 199805409), (150, 133203606), (180, 111003005), (225, 88802404), (300, 66601803), (450, 44401202), (900, 22200601)]