12758500

素因数分解:

$2^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:134

約数の個数: 96

約数和(自身を含む): 31449600

約数和(自身を除く): 18691100

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 25, 34, 38, 50, 68, 76, 79, 85, 95, 100, 125, 158, 170, 190, 250, 316, 323, 340, 380, 395, 425, 475, 500, 646, 790, 850, 950, 1292, 1343, 1501, 1580, 1615, 1700, 1900, 1975, 2125, 2375, 2686, 3002, 3230, 3950, 4250, 4750, 5372, 6004, 6460, 6715, 7505, 7900, 8075, 8500, 9500, 9875, 13430, 15010, 16150, 19750, 25517, 26860, 30020, 32300, 33575, 37525, 39500, 40375, 51034, 67150, 75050, 80750, 102068, 127585, 134300, 150100, 161500, 167875, 187625, 255170, 335750, 375250, 510340, 637925, 671500, 750500, 1275850, 2551700, 3189625, 6379250, 12758500]

約数ペア:

[(1, 12758500), (2, 6379250), (4, 3189625), (5, 2551700), (10, 1275850), (17, 750500), (19, 671500), (20, 637925), (25, 510340), (34, 375250), (38, 335750), (50, 255170), (68, 187625), (76, 167875), (79, 161500), (85, 150100), (95, 134300), (100, 127585), (125, 102068), (158, 80750), (170, 75050), (190, 67150), (250, 51034), (316, 40375), (323, 39500), (340, 37525), (380, 33575), (395, 32300), (425, 30020), (475, 26860), (500, 25517), (646, 19750), (790, 16150), (850, 15010), (950, 13430), (1292, 9875), (1343, 9500), (1501, 8500), (1580, 8075), (1615, 7900), (1700, 7505), (1900, 6715), (1975, 6460), (2125, 6004), (2375, 5372), (2686, 4750), (3002, 4250), (3230, 3950)]