7471940

素因数分解:

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

素因数の和:141

約数の個数: 72

約数和(自身を含む): 19239360

約数和(自身を除く): 11767420

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, 371, 380, 530, 532, 665, 742, 1007, 1060, 1330, 1484, 1855, 2014, 2660, 2809, 3710, 4028, 5035, 5618, 7049, 7420, 10070, 11236, 14045, 14098, 19663, 20140, 28090, 28196, 35245, 39326, 53371, 56180, 70490, 78652, 98315, 106742, 140980, 196630, 213484, 266855, 373597, 393260, 533710, 747194, 1067420, 1494388, 1867985, 3735970, 7471940]

約数ペア:

[(1, 7471940), (2, 3735970), (4, 1867985), (5, 1494388), (7, 1067420), (10, 747194), (14, 533710), (19, 393260), (20, 373597), (28, 266855), (35, 213484), (38, 196630), (53, 140980), (70, 106742), (76, 98315), (95, 78652), (106, 70490), (133, 56180), (140, 53371), (190, 39326), (212, 35245), (265, 28196), (266, 28090), (371, 20140), (380, 19663), (530, 14098), (532, 14045), (665, 11236), (742, 10070), (1007, 7420), (1060, 7049), (1330, 5618), (1484, 5035), (1855, 4028), (2014, 3710), (2660, 2809)]