42774140

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1\times {\mathrm{233}}^1$

素因数の和:446

約数の個数: 48

約数和(自身を含む): 92225952

約数和(自身を除く): 49451812

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 137, 233, 268, 274, 335, 466, 548, 670, 685, 932, 1165, 1340, 1370, 2330, 2740, 4660, 9179, 15611, 18358, 31222, 31921, 36716, 45895, 62444, 63842, 78055, 91790, 127684, 156110, 159605, 183580, 312220, 319210, 638420, 2138707, 4277414, 8554828, 10693535, 21387070, 42774140]

約数ペア:

[(1, 42774140), (2, 21387070), (4, 10693535), (5, 8554828), (10, 4277414), (20, 2138707), (67, 638420), (134, 319210), (137, 312220), (233, 183580), (268, 159605), (274, 156110), (335, 127684), (466, 91790), (548, 78055), (670, 63842), (685, 62444), (932, 45895), (1165, 36716), (1340, 31921), (1370, 31222), (2330, 18358), (2740, 15611), (4660, 9179)]