838140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1$

素因数の和:302

約数の個数: 48

約数和(自身を含む): 2395680

約数和(自身を除く): 1557540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 229, 244, 305, 366, 458, 610, 687, 732, 915, 916, 1145, 1220, 1374, 1830, 2290, 2748, 3435, 3660, 4580, 6870, 13740, 13969, 27938, 41907, 55876, 69845, 83814, 139690, 167628, 209535, 279380, 419070, 838140]

約数ペア:

[(1, 838140), (2, 419070), (3, 279380), (4, 209535), (5, 167628), (6, 139690), (10, 83814), (12, 69845), (15, 55876), (20, 41907), (30, 27938), (60, 13969), (61, 13740), (122, 6870), (183, 4580), (229, 3660), (244, 3435), (305, 2748), (366, 2290), (458, 1830), (610, 1374), (687, 1220), (732, 1145), (915, 916)]