68773880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{245621}}^1$

素因数の和:245639

約数の個数: 32

約数和(自身を含む): 176847840

約数和(自身を除く): 108073960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 245621, 491242, 982484, 1228105, 1719347, 1964968, 2456210, 3438694, 4912420, 6877388, 8596735, 9824840, 13754776, 17193470, 34386940, 68773880]

約数ペア:

[(1, 68773880), (2, 34386940), (4, 17193470), (5, 13754776), (7, 9824840), (8, 8596735), (10, 6877388), (14, 4912420), (20, 3438694), (28, 2456210), (35, 1964968), (40, 1719347), (56, 1228105), (70, 982484), (140, 491242), (280, 245621)]