31337270

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:221

約数の個数: 64

約数和(自身を含む): 63452160

約数和(自身を除く): 32114890

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 71, 95, 101, 115, 142, 190, 202, 230, 355, 437, 505, 710, 874, 1010, 1349, 1633, 1919, 2185, 2323, 2698, 3266, 3838, 4370, 4646, 6745, 7171, 8165, 9595, 11615, 13490, 14342, 16330, 19190, 23230, 31027, 35855, 44137, 62054, 71710, 88274, 136249, 155135, 164933, 220685, 272498, 310270, 329866, 441370, 681245, 824665, 1362490, 1649330, 3133727, 6267454, 15668635, 31337270]

約数ペア:

[(1, 31337270), (2, 15668635), (5, 6267454), (10, 3133727), (19, 1649330), (23, 1362490), (38, 824665), (46, 681245), (71, 441370), (95, 329866), (101, 310270), (115, 272498), (142, 220685), (190, 164933), (202, 155135), (230, 136249), (355, 88274), (437, 71710), (505, 62054), (710, 44137), (874, 35855), (1010, 31027), (1349, 23230), (1633, 19190), (1919, 16330), (2185, 14342), (2323, 13490), (2698, 11615), (3266, 9595), (3838, 8165), (4370, 7171), (4646, 6745)]