919240

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{67}}^1$

素因数の和:99

約数の個数: 64

約数和(自身を含む): 2448000

約数和(自身を除く): 1528760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 67, 70, 98, 134, 140, 196, 245, 268, 280, 335, 343, 392, 469, 490, 536, 670, 686, 938, 980, 1340, 1372, 1715, 1876, 1960, 2345, 2680, 2744, 3283, 3430, 3752, 4690, 6566, 6860, 9380, 13132, 13720, 16415, 18760, 22981, 26264, 32830, 45962, 65660, 91924, 114905, 131320, 183848, 229810, 459620, 919240]

約数ペア:

[(1, 919240), (2, 459620), (4, 229810), (5, 183848), (7, 131320), (8, 114905), (10, 91924), (14, 65660), (20, 45962), (28, 32830), (35, 26264), (40, 22981), (49, 18760), (56, 16415), (67, 13720), (70, 13132), (98, 9380), (134, 6860), (140, 6566), (196, 4690), (245, 3752), (268, 3430), (280, 3283), (335, 2744), (343, 2680), (392, 2345), (469, 1960), (490, 1876), (536, 1715), (670, 1372), (686, 1340), (938, 980)]