158993240

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{81119}}^1$

素因数の和:81144

約数の個数: 48

約数和(自身を含む): 416145600

約数和(自身を除く): 257152360

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, 81119, 162238, 324476, 405595, 567833, 648952, 811190, 1135666, 1622380, 2271332, 2839165, 3244760, 3974831, 4542664, 5678330, 7949662, 11356660, 15899324, 19874155, 22713320, 31798648, 39748310, 79496620, 158993240]

約数ペア:

[(1, 158993240), (2, 79496620), (4, 39748310), (5, 31798648), (7, 22713320), (8, 19874155), (10, 15899324), (14, 11356660), (20, 7949662), (28, 5678330), (35, 4542664), (40, 3974831), (49, 3244760), (56, 2839165), (70, 2271332), (98, 1622380), (140, 1135666), (196, 811190), (245, 648952), (280, 567833), (392, 405595), (490, 324476), (980, 162238), (1960, 81119)]