2551700

素因数分解:

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

素因数の和:129

約数の個数: 72

約数和(自身を含む): 6249600

約数和(自身を除く): 3697900

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 25, 34, 38, 50, 68, 76, 79, 85, 95, 100, 158, 170, 190, 316, 323, 340, 380, 395, 425, 475, 646, 790, 850, 950, 1292, 1343, 1501, 1580, 1615, 1700, 1900, 1975, 2686, 3002, 3230, 3950, 5372, 6004, 6460, 6715, 7505, 7900, 8075, 13430, 15010, 16150, 25517, 26860, 30020, 32300, 33575, 37525, 51034, 67150, 75050, 102068, 127585, 134300, 150100, 255170, 510340, 637925, 1275850, 2551700]

約数ペア:

[(1, 2551700), (2, 1275850), (4, 637925), (5, 510340), (10, 255170), (17, 150100), (19, 134300), (20, 127585), (25, 102068), (34, 75050), (38, 67150), (50, 51034), (68, 37525), (76, 33575), (79, 32300), (85, 30020), (95, 26860), (100, 25517), (158, 16150), (170, 15010), (190, 13430), (316, 8075), (323, 7900), (340, 7505), (380, 6715), (395, 6460), (425, 6004), (475, 5372), (646, 3950), (790, 3230), (850, 3002), (950, 2686), (1292, 1975), (1343, 1900), (1501, 1700), (1580, 1615)]