70423480

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{181}}^1$

素因数の和:400

約数の個数: 64

約数和(自身を含む): 162751680

約数和(自身を除く): 92328200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 137, 142, 181, 274, 284, 355, 362, 548, 568, 685, 710, 724, 905, 1096, 1370, 1420, 1448, 1810, 2740, 2840, 3620, 5480, 7240, 9727, 12851, 19454, 24797, 25702, 38908, 48635, 49594, 51404, 64255, 77816, 97270, 99188, 102808, 123985, 128510, 194540, 198376, 247970, 257020, 389080, 495940, 514040, 991880, 1760587, 3521174, 7042348, 8802935, 14084696, 17605870, 35211740, 70423480]

約数ペア:

[(1, 70423480), (2, 35211740), (4, 17605870), (5, 14084696), (8, 8802935), (10, 7042348), (20, 3521174), (40, 1760587), (71, 991880), (137, 514040), (142, 495940), (181, 389080), (274, 257020), (284, 247970), (355, 198376), (362, 194540), (548, 128510), (568, 123985), (685, 102808), (710, 99188), (724, 97270), (905, 77816), (1096, 64255), (1370, 51404), (1420, 49594), (1448, 48635), (1810, 38908), (2740, 25702), (2840, 24797), (3620, 19454), (5480, 12851), (7240, 9727)]