805000900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{66529}}^1$

素因数の和:66565

約数の個数: 54

約数和(自身を含む): 1920122330

約数和(自身を除く): 1115121430

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 121, 220, 242, 275, 484, 550, 605, 1100, 1210, 2420, 3025, 6050, 12100, 66529, 133058, 266116, 332645, 665290, 731819, 1330580, 1463638, 1663225, 2927276, 3326450, 3659095, 6652900, 7318190, 8050009, 14636380, 16100018, 18295475, 32200036, 36590950, 40250045, 73181900, 80500090, 161000180, 201250225, 402500450, 805000900]

約数ペア:

[(1, 805000900), (2, 402500450), (4, 201250225), (5, 161000180), (10, 80500090), (11, 73181900), (20, 40250045), (22, 36590950), (25, 32200036), (44, 18295475), (50, 16100018), (55, 14636380), (100, 8050009), (110, 7318190), (121, 6652900), (220, 3659095), (242, 3326450), (275, 2927276), (484, 1663225), (550, 1463638), (605, 1330580), (1100, 731819), (1210, 665290), (2420, 332645), (3025, 266116), (6050, 133058), (12100, 66529)]