13608100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:253

約数の個数: 72

約数和(自身を含む): 32810400

約数和(自身を除く): 19202300

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 89, 100, 110, 139, 178, 220, 275, 278, 356, 445, 550, 556, 695, 890, 979, 1100, 1390, 1529, 1780, 1958, 2225, 2780, 3058, 3475, 3916, 4450, 4895, 6116, 6950, 7645, 8900, 9790, 12371, 13900, 15290, 19580, 24475, 24742, 30580, 38225, 48950, 49484, 61855, 76450, 97900, 123710, 136081, 152900, 247420, 272162, 309275, 544324, 618550, 680405, 1237100, 1360810, 2721620, 3402025, 6804050, 13608100]

約数ペア:

[(1, 13608100), (2, 6804050), (4, 3402025), (5, 2721620), (10, 1360810), (11, 1237100), (20, 680405), (22, 618550), (25, 544324), (44, 309275), (50, 272162), (55, 247420), (89, 152900), (100, 136081), (110, 123710), (139, 97900), (178, 76450), (220, 61855), (275, 49484), (278, 48950), (356, 38225), (445, 30580), (550, 24742), (556, 24475), (695, 19580), (890, 15290), (979, 13900), (1100, 12371), (1390, 9790), (1529, 8900), (1780, 7645), (1958, 6950), (2225, 6116), (2780, 4895), (3058, 4450), (3475, 3916)]