69613880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{248621}}^1$

素因数の和:248639

約数の個数: 32

約数和(自身を含む): 179007840

約数和(自身を除く): 109393960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 248621, 497242, 994484, 1243105, 1740347, 1988968, 2486210, 3480694, 4972420, 6961388, 8701735, 9944840, 13922776, 17403470, 34806940, 69613880]

約数ペア:

[(1, 69613880), (2, 34806940), (4, 17403470), (5, 13922776), (7, 9944840), (8, 8701735), (10, 6961388), (14, 4972420), (20, 3480694), (28, 2486210), (35, 1988968), (40, 1740347), (56, 1243105), (70, 994484), (140, 497242), (280, 248621)]