61210940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{1069}}^1$

素因数の和:1494

約数の個数: 48

約数和(自身を含む): 147403200

約数和(自身を除く): 86192260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 409, 818, 1069, 1636, 2045, 2138, 2863, 4090, 4276, 5345, 5726, 7483, 8180, 10690, 11452, 14315, 14966, 21380, 28630, 29932, 37415, 57260, 74830, 149660, 437221, 874442, 1748884, 2186105, 3060547, 4372210, 6121094, 8744420, 12242188, 15302735, 30605470, 61210940]

約数ペア:

[(1, 61210940), (2, 30605470), (4, 15302735), (5, 12242188), (7, 8744420), (10, 6121094), (14, 4372210), (20, 3060547), (28, 2186105), (35, 1748884), (70, 874442), (140, 437221), (409, 149660), (818, 74830), (1069, 57260), (1636, 37415), (2045, 29932), (2138, 28630), (2863, 21380), (4090, 14966), (4276, 14315), (5345, 11452), (5726, 10690), (7483, 8180)]