209972876

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{2027}}^1$

素因数の和:2126

約数の個数: 48

約数和(自身を含む): 408844800

約数和(自身を除く): 198871924

約数列:

[1, 2, 4, 19, 29, 38, 47, 58, 76, 94, 116, 188, 551, 893, 1102, 1363, 1786, 2027, 2204, 2726, 3572, 4054, 5452, 8108, 25897, 38513, 51794, 58783, 77026, 95269, 103588, 117566, 154052, 190538, 235132, 381076, 1116877, 1810111, 2233754, 2762801, 3620222, 4467508, 5525602, 7240444, 11051204, 52493219, 104986438, 209972876]

約数ペア:

[(1, 209972876), (2, 104986438), (4, 52493219), (19, 11051204), (29, 7240444), (38, 5525602), (47, 4467508), (58, 3620222), (76, 2762801), (94, 2233754), (116, 1810111), (188, 1116877), (551, 381076), (893, 235132), (1102, 190538), (1363, 154052), (1786, 117566), (2027, 103588), (2204, 95269), (2726, 77026), (3572, 58783), (4054, 51794), (5452, 38513), (8108, 25897)]