551427250

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^2\times {\mathrm{18229}}^1$

素因数の和:18268

約数の個数: 48

約数和(自身を含む): 1134708120

約数和(自身を除く): 583280870

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 121, 125, 242, 250, 275, 550, 605, 1210, 1375, 2750, 3025, 6050, 15125, 18229, 30250, 36458, 91145, 182290, 200519, 401038, 455725, 911450, 1002595, 2005190, 2205709, 2278625, 4411418, 4557250, 5012975, 10025950, 11028545, 22057090, 25064875, 50129750, 55142725, 110285450, 275713625, 551427250]

約数ペア:

[(1, 551427250), (2, 275713625), (5, 110285450), (10, 55142725), (11, 50129750), (22, 25064875), (25, 22057090), (50, 11028545), (55, 10025950), (110, 5012975), (121, 4557250), (125, 4411418), (242, 2278625), (250, 2205709), (275, 2005190), (550, 1002595), (605, 911450), (1210, 455725), (1375, 401038), (2750, 200519), (3025, 182290), (6050, 91145), (15125, 36458), (18229, 30250)]