291296740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{14969}}^1$

素因数の和:15124

約数の個数: 48

約数和(自身を含む): 704188800

約数和(自身を除く): 412892060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 695, 973, 1390, 1946, 2780, 3892, 4865, 9730, 14969, 19460, 29938, 59876, 74845, 104783, 149690, 209566, 299380, 419132, 523915, 1047830, 2080691, 2095660, 4161382, 8322764, 10403455, 14564837, 20806910, 29129674, 41613820, 58259348, 72824185, 145648370, 291296740]

約数ペア:

[(1, 291296740), (2, 145648370), (4, 72824185), (5, 58259348), (7, 41613820), (10, 29129674), (14, 20806910), (20, 14564837), (28, 10403455), (35, 8322764), (70, 4161382), (139, 2095660), (140, 2080691), (278, 1047830), (556, 523915), (695, 419132), (973, 299380), (1390, 209566), (1946, 149690), (2780, 104783), (3892, 74845), (4865, 59876), (9730, 29938), (14969, 19460)]