3485240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^2$

素因数の和:200

約数の個数: 48

約数和(自身を含む): 8651880

約数和(自身を除く): 5166640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 89, 110, 178, 220, 356, 440, 445, 712, 890, 979, 1780, 1958, 3560, 3916, 4895, 7832, 7921, 9790, 15842, 19580, 31684, 39160, 39605, 63368, 79210, 87131, 158420, 174262, 316840, 348524, 435655, 697048, 871310, 1742620, 3485240]

約数ペア:

[(1, 3485240), (2, 1742620), (4, 871310), (5, 697048), (8, 435655), (10, 348524), (11, 316840), (20, 174262), (22, 158420), (40, 87131), (44, 79210), (55, 63368), (88, 39605), (89, 39160), (110, 31684), (178, 19580), (220, 15842), (356, 9790), (440, 7921), (445, 7832), (712, 4895), (890, 3916), (979, 3560), (1780, 1958)]