202112860

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{317}}^1\times {\mathrm{449}}^1$

素因数の和:846

約数の個数: 48

約数和(自身を含む): 432734400

約数和(自身を除く): 230621540

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 317, 355, 449, 634, 710, 898, 1268, 1420, 1585, 1796, 2245, 3170, 4490, 6340, 8980, 22507, 31879, 45014, 63758, 90028, 112535, 127516, 142333, 159395, 225070, 284666, 318790, 450140, 569332, 637580, 711665, 1423330, 2846660, 10105643, 20211286, 40422572, 50528215, 101056430, 202112860]

約数ペア:

[(1, 202112860), (2, 101056430), (4, 50528215), (5, 40422572), (10, 20211286), (20, 10105643), (71, 2846660), (142, 1423330), (284, 711665), (317, 637580), (355, 569332), (449, 450140), (634, 318790), (710, 284666), (898, 225070), (1268, 159395), (1420, 142333), (1585, 127516), (1796, 112535), (2245, 90028), (3170, 63758), (4490, 45014), (6340, 31879), (8980, 22507)]