28096630

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:269

約数の個数: 48

約数和(自身を含む): 54918864

約数和(自身を除く): 26822234

約数列:

[1, 2, 5, 10, 19, 38, 43, 86, 95, 181, 190, 215, 361, 362, 430, 722, 817, 905, 1634, 1805, 1810, 3439, 3610, 4085, 6878, 7783, 8170, 15523, 15566, 17195, 31046, 34390, 38915, 65341, 77615, 77830, 130682, 147877, 155230, 295754, 326705, 653410, 739385, 1478770, 2809663, 5619326, 14048315, 28096630]

約数ペア:

[(1, 28096630), (2, 14048315), (5, 5619326), (10, 2809663), (19, 1478770), (38, 739385), (43, 653410), (86, 326705), (95, 295754), (181, 155230), (190, 147877), (215, 130682), (361, 77830), (362, 77615), (430, 65341), (722, 38915), (817, 34390), (905, 31046), (1634, 17195), (1805, 15566), (1810, 15523), (3439, 8170), (3610, 7783), (4085, 6878)]