286989320

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{231443}}^1$

素因数の和:231485

約数の個数: 32

約数和(自身を含む): 666558720

約数和(自身を除く): 379569400

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 231443, 462886, 925772, 1157215, 1851544, 2314430, 4628860, 7174733, 9257720, 14349466, 28698932, 35873665, 57397864, 71747330, 143494660, 286989320]

約数ペア:

[(1, 286989320), (2, 143494660), (4, 71747330), (5, 57397864), (8, 35873665), (10, 28698932), (20, 14349466), (31, 9257720), (40, 7174733), (62, 4628860), (124, 2314430), (155, 1851544), (248, 1157215), (310, 925772), (620, 462886), (1240, 231443)]