339946744

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{499}}^1$

素因数の和:644

約数の個数: 64

約数和(自身を含む): 685440000

約数和(自身を除く): 345493256

約数列:

[1, 2, 4, 8, 31, 41, 62, 67, 82, 124, 134, 164, 248, 268, 328, 499, 536, 998, 1271, 1996, 2077, 2542, 2747, 3992, 4154, 5084, 5494, 8308, 10168, 10988, 15469, 16616, 20459, 21976, 30938, 33433, 40918, 61876, 66866, 81836, 85157, 123752, 133732, 163672, 170314, 267464, 340628, 634229, 681256, 1036423, 1268458, 1370753, 2072846, 2536916, 2741506, 4145692, 5073832, 5483012, 8291384, 10966024, 42493343, 84986686, 169973372, 339946744]

約数ペア:

[(1, 339946744), (2, 169973372), (4, 84986686), (8, 42493343), (31, 10966024), (41, 8291384), (62, 5483012), (67, 5073832), (82, 4145692), (124, 2741506), (134, 2536916), (164, 2072846), (248, 1370753), (268, 1268458), (328, 1036423), (499, 681256), (536, 634229), (998, 340628), (1271, 267464), (1996, 170314), (2077, 163672), (2542, 133732), (2747, 123752), (3992, 85157), (4154, 81836), (5084, 66866), (5494, 61876), (8308, 40918), (10168, 33433), (10988, 30938), (15469, 21976), (16616, 20459)]