209455440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{872731}}^1$

素因数の和:872747

約数の個数: 40

約数和(自身を含む): 649312608

約数和(自身を除く): 439857168

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 872731, 1745462, 2618193, 3490924, 4363655, 5236386, 6981848, 8727310, 10472772, 13090965, 13963696, 17454620, 20945544, 26181930, 34909240, 41891088, 52363860, 69818480, 104727720, 209455440]

約数ペア:

[(1, 209455440), (2, 104727720), (3, 69818480), (4, 52363860), (5, 41891088), (6, 34909240), (8, 26181930), (10, 20945544), (12, 17454620), (15, 13963696), (16, 13090965), (20, 10472772), (24, 8727310), (30, 6981848), (40, 5236386), (48, 4363655), (60, 3490924), (80, 2618193), (120, 1745462), (240, 872731)]