2678620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{53}}^1$

素因数の和:107

約数の個数: 72

約数和(自身を含む): 6912864

約数和(自身を除く): 4234244

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 53, 70, 76, 95, 106, 133, 140, 190, 212, 265, 266, 361, 371, 380, 530, 532, 665, 722, 742, 1007, 1060, 1330, 1444, 1484, 1805, 1855, 2014, 2527, 2660, 3610, 3710, 4028, 5035, 5054, 7049, 7220, 7420, 10070, 10108, 12635, 14098, 19133, 20140, 25270, 28196, 35245, 38266, 50540, 70490, 76532, 95665, 133931, 140980, 191330, 267862, 382660, 535724, 669655, 1339310, 2678620]

約数ペア:

[(1, 2678620), (2, 1339310), (4, 669655), (5, 535724), (7, 382660), (10, 267862), (14, 191330), (19, 140980), (20, 133931), (28, 95665), (35, 76532), (38, 70490), (53, 50540), (70, 38266), (76, 35245), (95, 28196), (106, 25270), (133, 20140), (140, 19133), (190, 14098), (212, 12635), (265, 10108), (266, 10070), (361, 7420), (371, 7220), (380, 7049), (530, 5054), (532, 5035), (665, 4028), (722, 3710), (742, 3610), (1007, 2660), (1060, 2527), (1330, 2014), (1444, 1855), (1484, 1805)]