238544560

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{72727}}^1$

素因数の和:72781

約数の個数: 40

約数和(自身を含む): 568151136

約数和(自身を除く): 329606576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 72727, 145454, 290908, 363635, 581816, 727270, 1163632, 1454540, 2909080, 2981807, 5818160, 5963614, 11927228, 14909035, 23854456, 29818070, 47708912, 59636140, 119272280, 238544560]

約数ペア:

[(1, 238544560), (2, 119272280), (4, 59636140), (5, 47708912), (8, 29818070), (10, 23854456), (16, 14909035), (20, 11927228), (40, 5963614), (41, 5818160), (80, 2981807), (82, 2909080), (164, 1454540), (205, 1163632), (328, 727270), (410, 581816), (656, 363635), (820, 290908), (1640, 145454), (3280, 72727)]