7480520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1$

素因数の和:254

約数の個数: 64

約数和(自身を含む): 18040320

約数和(自身を除く): 10559800

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 47, 92, 94, 115, 173, 184, 188, 230, 235, 346, 376, 460, 470, 692, 865, 920, 940, 1081, 1384, 1730, 1880, 2162, 3460, 3979, 4324, 5405, 6920, 7958, 8131, 8648, 10810, 15916, 16262, 19895, 21620, 31832, 32524, 39790, 40655, 43240, 65048, 79580, 81310, 159160, 162620, 187013, 325240, 374026, 748052, 935065, 1496104, 1870130, 3740260, 7480520]

約数ペア:

[(1, 7480520), (2, 3740260), (4, 1870130), (5, 1496104), (8, 935065), (10, 748052), (20, 374026), (23, 325240), (40, 187013), (46, 162620), (47, 159160), (92, 81310), (94, 79580), (115, 65048), (173, 43240), (184, 40655), (188, 39790), (230, 32524), (235, 31832), (346, 21620), (376, 19895), (460, 16262), (470, 15916), (692, 10810), (865, 8648), (920, 8131), (940, 7958), (1081, 6920), (1384, 5405), (1730, 4324), (1880, 3979), (2162, 3460)]