84905240

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{43319}}^1$

素因数の和:43344

約数の個数: 48

約数和(自身を含む): 222231600

約数和(自身を除く): 137326360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 43319, 86638, 173276, 216595, 303233, 346552, 433190, 606466, 866380, 1212932, 1516165, 1732760, 2122631, 2425864, 3032330, 4245262, 6064660, 8490524, 10613155, 12129320, 16981048, 21226310, 42452620, 84905240]

約数ペア:

[(1, 84905240), (2, 42452620), (4, 21226310), (5, 16981048), (7, 12129320), (8, 10613155), (10, 8490524), (14, 6064660), (20, 4245262), (28, 3032330), (35, 2425864), (40, 2122631), (49, 1732760), (56, 1516165), (70, 1212932), (98, 866380), (140, 606466), (196, 433190), (245, 346552), (280, 303233), (392, 216595), (490, 173276), (980, 86638), (1960, 43319)]