245969900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{719}}^1$

素因数の和:1055

約数の個数: 72

約数和(自身を含む): 584962560

約数和(自身を除く): 338992660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 311, 550, 622, 719, 1100, 1244, 1438, 1555, 2876, 3110, 3421, 3595, 6220, 6842, 7190, 7775, 7909, 13684, 14380, 15550, 15818, 17105, 17975, 31100, 31636, 34210, 35950, 39545, 68420, 71900, 79090, 85525, 158180, 171050, 197725, 223609, 342100, 395450, 447218, 790900, 894436, 1118045, 2236090, 2459699, 4472180, 4919398, 5590225, 9838796, 11180450, 12298495, 22360900, 24596990, 49193980, 61492475, 122984950, 245969900]

約数ペア:

[(1, 245969900), (2, 122984950), (4, 61492475), (5, 49193980), (10, 24596990), (11, 22360900), (20, 12298495), (22, 11180450), (25, 9838796), (44, 5590225), (50, 4919398), (55, 4472180), (100, 2459699), (110, 2236090), (220, 1118045), (275, 894436), (311, 790900), (550, 447218), (622, 395450), (719, 342100), (1100, 223609), (1244, 197725), (1438, 171050), (1555, 158180), (2876, 85525), (3110, 79090), (3421, 71900), (3595, 68420), (6220, 39545), (6842, 35950), (7190, 34210), (7775, 31636), (7909, 31100), (13684, 17975), (14380, 17105), (15550, 15818)]