129332680

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{547}}^1$

素因数の和:838

約数の個数: 64

約数和(自身を含む): 305389440

約数和(自身を除く): 176056760

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 257, 460, 514, 547, 920, 1028, 1094, 1285, 2056, 2188, 2570, 2735, 4376, 5140, 5470, 5911, 10280, 10940, 11822, 12581, 21880, 23644, 25162, 29555, 47288, 50324, 59110, 62905, 100648, 118220, 125810, 140579, 236440, 251620, 281158, 503240, 562316, 702895, 1124632, 1405790, 2811580, 3233317, 5623160, 6466634, 12933268, 16166585, 25866536, 32333170, 64666340, 129332680]

約数ペア:

[(1, 129332680), (2, 64666340), (4, 32333170), (5, 25866536), (8, 16166585), (10, 12933268), (20, 6466634), (23, 5623160), (40, 3233317), (46, 2811580), (92, 1405790), (115, 1124632), (184, 702895), (230, 562316), (257, 503240), (460, 281158), (514, 251620), (547, 236440), (920, 140579), (1028, 125810), (1094, 118220), (1285, 100648), (2056, 62905), (2188, 59110), (2570, 50324), (2735, 47288), (4376, 29555), (5140, 25162), (5470, 23644), (5911, 21880), (10280, 12581), (10940, 11822)]