868756900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{1931}}^1$

素因数の和:2365

約数の個数: 72

約数和(自身を含む): 2062680480

約数和(自身を除く): 1193923580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 409, 550, 818, 1100, 1636, 1931, 2045, 3862, 4090, 4499, 7724, 8180, 8998, 9655, 10225, 17996, 19310, 20450, 21241, 22495, 38620, 40900, 42482, 44990, 48275, 84964, 89980, 96550, 106205, 112475, 193100, 212410, 224950, 424820, 449900, 531025, 789779, 1062050, 1579558, 2124100, 3159116, 3948895, 7897790, 8687569, 15795580, 17375138, 19744475, 34750276, 39488950, 43437845, 78977900, 86875690, 173751380, 217189225, 434378450, 868756900]

約数ペア:

[(1, 868756900), (2, 434378450), (4, 217189225), (5, 173751380), (10, 86875690), (11, 78977900), (20, 43437845), (22, 39488950), (25, 34750276), (44, 19744475), (50, 17375138), (55, 15795580), (100, 8687569), (110, 7897790), (220, 3948895), (275, 3159116), (409, 2124100), (550, 1579558), (818, 1062050), (1100, 789779), (1636, 531025), (1931, 449900), (2045, 424820), (3862, 224950), (4090, 212410), (4499, 193100), (7724, 112475), (8180, 106205), (8998, 96550), (9655, 89980), (10225, 84964), (17996, 48275), (19310, 44990), (20450, 42482), (21241, 40900), (22495, 38620)]