209451960

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{193937}}^1$

素因数の和:193957

約数の個数: 64

約数和(自身を含む): 698176800

約数和(自身を除く): 488724840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 193937, 387874, 581811, 775748, 969685, 1163622, 1551496, 1745433, 1939370, 2327244, 2909055, 3490866, 3878740, 4654488, 5236299, 5818110, 6981732, 7757480, 8727165, 10472598, 11636220, 13963464, 17454330, 20945196, 23272440, 26181495, 34908660, 41890392, 52362990, 69817320, 104725980, 209451960]

約数ペア:

[(1, 209451960), (2, 104725980), (3, 69817320), (4, 52362990), (5, 41890392), (6, 34908660), (8, 26181495), (9, 23272440), (10, 20945196), (12, 17454330), (15, 13963464), (18, 11636220), (20, 10472598), (24, 8727165), (27, 7757480), (30, 6981732), (36, 5818110), (40, 5236299), (45, 4654488), (54, 3878740), (60, 3490866), (72, 2909055), (90, 2327244), (108, 1939370), (120, 1745433), (135, 1551496), (180, 1163622), (216, 969685), (270, 775748), (360, 581811), (540, 387874), (1080, 193937)]