404865320

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{2803}}^1$

素因数の和:2994

約数の個数: 64

約数和(自身を含む): 956949120

約数和(自身を除く): 552083800

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 157, 184, 230, 314, 460, 628, 785, 920, 1256, 1570, 2803, 3140, 3611, 5606, 6280, 7222, 11212, 14015, 14444, 18055, 22424, 28030, 28888, 36110, 56060, 64469, 72220, 112120, 128938, 144440, 257876, 322345, 440071, 515752, 644690, 880142, 1289380, 1760284, 2200355, 2578760, 3520568, 4400710, 8801420, 10121633, 17602840, 20243266, 40486532, 50608165, 80973064, 101216330, 202432660, 404865320]

約数ペア:

[(1, 404865320), (2, 202432660), (4, 101216330), (5, 80973064), (8, 50608165), (10, 40486532), (20, 20243266), (23, 17602840), (40, 10121633), (46, 8801420), (92, 4400710), (115, 3520568), (157, 2578760), (184, 2200355), (230, 1760284), (314, 1289380), (460, 880142), (628, 644690), (785, 515752), (920, 440071), (1256, 322345), (1570, 257876), (2803, 144440), (3140, 128938), (3611, 112120), (5606, 72220), (6280, 64469), (7222, 56060), (11212, 36110), (14015, 28888), (14444, 28030), (18055, 22424)]