84964180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{19577}}^1$

素因数の和:19624

約数の個数: 48

約数和(自身を含む): 210502656

約数和(自身を除く): 125538476

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 19577, 39154, 78308, 97885, 137039, 195770, 274078, 391540, 548156, 606887, 685195, 1213774, 1370390, 2427548, 2740780, 3034435, 4248209, 6068870, 8496418, 12137740, 16992836, 21241045, 42482090, 84964180]

約数ペア:

[(1, 84964180), (2, 42482090), (4, 21241045), (5, 16992836), (7, 12137740), (10, 8496418), (14, 6068870), (20, 4248209), (28, 3034435), (31, 2740780), (35, 2427548), (62, 1370390), (70, 1213774), (124, 685195), (140, 606887), (155, 548156), (217, 391540), (310, 274078), (434, 195770), (620, 137039), (868, 97885), (1085, 78308), (2170, 39154), (4340, 19577)]