340712420

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{251}}^1\times {\mathrm{1013}}^1$

素因数の和:1340

約数の個数: 48

約数和(自身を含む): 729787968

約数和(自身を除く): 389075548

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 251, 268, 335, 502, 670, 1004, 1013, 1255, 1340, 2026, 2510, 4052, 5020, 5065, 10130, 16817, 20260, 33634, 67268, 67871, 84085, 135742, 168170, 254263, 271484, 336340, 339355, 508526, 678710, 1017052, 1271315, 1357420, 2542630, 5085260, 17035621, 34071242, 68142484, 85178105, 170356210, 340712420]

約数ペア:

[(1, 340712420), (2, 170356210), (4, 85178105), (5, 68142484), (10, 34071242), (20, 17035621), (67, 5085260), (134, 2542630), (251, 1357420), (268, 1271315), (335, 1017052), (502, 678710), (670, 508526), (1004, 339355), (1013, 336340), (1255, 271484), (1340, 254263), (2026, 168170), (2510, 135742), (4052, 84085), (5020, 67871), (5065, 67268), (10130, 33634), (16817, 20260)]