66278380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{67631}}^1$

素因数の和:67654

約数の個数: 36

約数和(自身を含む): 161911008

約数和(自身を除く): 95632628

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 67631, 135262, 270524, 338155, 473417, 676310, 946834, 1352620, 1893668, 2367085, 3313919, 4734170, 6627838, 9468340, 13255676, 16569595, 33139190, 66278380]

約数ペア:

[(1, 66278380), (2, 33139190), (4, 16569595), (5, 13255676), (7, 9468340), (10, 6627838), (14, 4734170), (20, 3313919), (28, 2367085), (35, 1893668), (49, 1352620), (70, 946834), (98, 676310), (140, 473417), (196, 338155), (245, 270524), (490, 135262), (980, 67631)]