2908120

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1$

素因数の和:172

約数の個数: 64

約数和(自身を含む): 7128000

約数和(自身を除く): 4219880

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 29, 40, 46, 58, 92, 109, 115, 116, 145, 184, 218, 230, 232, 290, 436, 460, 545, 580, 667, 872, 920, 1090, 1160, 1334, 2180, 2507, 2668, 3161, 3335, 4360, 5014, 5336, 6322, 6670, 10028, 12535, 12644, 13340, 15805, 20056, 25070, 25288, 26680, 31610, 50140, 63220, 72703, 100280, 126440, 145406, 290812, 363515, 581624, 727030, 1454060, 2908120]

約数ペア:

[(1, 2908120), (2, 1454060), (4, 727030), (5, 581624), (8, 363515), (10, 290812), (20, 145406), (23, 126440), (29, 100280), (40, 72703), (46, 63220), (58, 50140), (92, 31610), (109, 26680), (115, 25288), (116, 25070), (145, 20056), (184, 15805), (218, 13340), (230, 12644), (232, 12535), (290, 10028), (436, 6670), (460, 6322), (545, 5336), (580, 5014), (667, 4360), (872, 3335), (920, 3161), (1090, 2668), (1160, 2507), (1334, 2180)]