68840380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{21379}}^1$

素因数の和:21418

約数の個数: 48

約数和(自身を含む): 172408320

約数和(自身を除く): 103567940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 21379, 42758, 85516, 106895, 149653, 213790, 299306, 427580, 491717, 598612, 748265, 983434, 1496530, 1966868, 2458585, 2993060, 3442019, 4917170, 6884038, 9834340, 13768076, 17210095, 34420190, 68840380]

約数ペア:

[(1, 68840380), (2, 34420190), (4, 17210095), (5, 13768076), (7, 9834340), (10, 6884038), (14, 4917170), (20, 3442019), (23, 2993060), (28, 2458585), (35, 1966868), (46, 1496530), (70, 983434), (92, 748265), (115, 598612), (140, 491717), (161, 427580), (230, 299306), (322, 213790), (460, 149653), (644, 106895), (805, 85516), (1610, 42758), (3220, 21379)]