505179380

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{241}}^1\times {\mathrm{643}}^1$

素因数の和:1056

約数の個数: 48

約数和(自身を含む): 1073481024

約数和(自身を除く): 568301644

約数列:

[1, 2, 4, 5, 10, 20, 163, 241, 326, 482, 643, 652, 815, 964, 1205, 1286, 1630, 2410, 2572, 3215, 3260, 4820, 6430, 12860, 39283, 78566, 104809, 154963, 157132, 196415, 209618, 309926, 392830, 419236, 524045, 619852, 774815, 785660, 1048090, 1549630, 2096180, 3099260, 25258969, 50517938, 101035876, 126294845, 252589690, 505179380]

約数ペア:

[(1, 505179380), (2, 252589690), (4, 126294845), (5, 101035876), (10, 50517938), (20, 25258969), (163, 3099260), (241, 2096180), (326, 1549630), (482, 1048090), (643, 785660), (652, 774815), (815, 619852), (964, 524045), (1205, 419236), (1286, 392830), (1630, 309926), (2410, 209618), (2572, 196415), (3215, 157132), (3260, 154963), (4820, 104809), (6430, 78566), (12860, 39283)]