2018520740

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{733}}^1\times {\mathrm{877}}^1$

素因数の和:1776

約数の個数: 48

約数和(自身を含む): 4276583472

約数和(自身を除く): 2258062732

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 733, 785, 877, 1466, 1570, 1754, 2932, 3140, 3508, 3665, 4385, 7330, 8770, 14660, 17540, 115081, 137689, 230162, 275378, 460324, 550756, 575405, 642841, 688445, 1150810, 1285682, 1376890, 2301620, 2571364, 2753780, 3214205, 6428410, 12856820, 100926037, 201852074, 403704148, 504630185, 1009260370, 2018520740]

約数ペア:

[(1, 2018520740), (2, 1009260370), (4, 504630185), (5, 403704148), (10, 201852074), (20, 100926037), (157, 12856820), (314, 6428410), (628, 3214205), (733, 2753780), (785, 2571364), (877, 2301620), (1466, 1376890), (1570, 1285682), (1754, 1150810), (2932, 688445), (3140, 642841), (3508, 575405), (3665, 550756), (4385, 460324), (7330, 275378), (8770, 230162), (14660, 137689), (17540, 115081)]