8713100

素因数分解:

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

素因数の和:203

約数の個数: 54

約数和(自身を含む): 20860644

約数和(自身を除く): 12147544

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 89, 100, 110, 178, 220, 275, 356, 445, 550, 890, 979, 1100, 1780, 1958, 2225, 3916, 4450, 4895, 7921, 8900, 9790, 15842, 19580, 24475, 31684, 39605, 48950, 79210, 87131, 97900, 158420, 174262, 198025, 348524, 396050, 435655, 792100, 871310, 1742620, 2178275, 4356550, 8713100]

約数ペア:

[(1, 8713100), (2, 4356550), (4, 2178275), (5, 1742620), (10, 871310), (11, 792100), (20, 435655), (22, 396050), (25, 348524), (44, 198025), (50, 174262), (55, 158420), (89, 97900), (100, 87131), (110, 79210), (178, 48950), (220, 39605), (275, 31684), (356, 24475), (445, 19580), (550, 15842), (890, 9790), (979, 8900), (1100, 7921), (1780, 4895), (1958, 4450), (2225, 3916)]