12758440340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{263}}^1\times {\mathrm{6719}}^1$

素因数の和:7029

約数の個数: 72

約数和(自身を含む): 28388828160

約数和(自身を除く): 15630387820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 263, 361, 380, 526, 722, 1052, 1315, 1444, 1805, 2630, 3610, 4997, 5260, 6719, 7220, 9994, 13438, 19988, 24985, 26876, 33595, 49970, 67190, 94943, 99940, 127661, 134380, 189886, 255322, 379772, 474715, 510644, 638305, 949430, 1276610, 1767097, 1898860, 2425559, 2553220, 3534194, 4851118, 7068388, 8835485, 9702236, 12127795, 17670970, 24255590, 33574843, 35341940, 48511180, 67149686, 134299372, 167874215, 335748430, 637922017, 671496860, 1275844034, 2551688068, 3189610085, 6379220170, 12758440340]

約数ペア:

[(1, 12758440340), (2, 6379220170), (4, 3189610085), (5, 2551688068), (10, 1275844034), (19, 671496860), (20, 637922017), (38, 335748430), (76, 167874215), (95, 134299372), (190, 67149686), (263, 48511180), (361, 35341940), (380, 33574843), (526, 24255590), (722, 17670970), (1052, 12127795), (1315, 9702236), (1444, 8835485), (1805, 7068388), (2630, 4851118), (3610, 3534194), (4997, 2553220), (5260, 2425559), (6719, 1898860), (7220, 1767097), (9994, 1276610), (13438, 949430), (19988, 638305), (24985, 510644), (26876, 474715), (33595, 379772), (49970, 255322), (67190, 189886), (94943, 134380), (99940, 127661)]