2911795641940

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{15787}}^1\times {\mathrm{50951}}^1$

素因数の和:66928

約数の個数: 48

約数和(自身を含む): 6149064265344

約数和(自身を除く): 3237268623404

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 15787, 31574, 50951, 63148, 78935, 101902, 157870, 203804, 254755, 315740, 509510, 1019020, 2857447, 5714894, 9222131, 11429788, 14287235, 18444262, 28574470, 36888524, 46110655, 57148940, 92221310, 184442620, 804363437, 1608726874, 3217453748, 4021817185, 8043634370, 16087268740, 145589782097, 291179564194, 582359128388, 727948910485, 1455897820970, 2911795641940]

約数ペア:

[(1, 2911795641940), (2, 1455897820970), (4, 727948910485), (5, 582359128388), (10, 291179564194), (20, 145589782097), (181, 16087268740), (362, 8043634370), (724, 4021817185), (905, 3217453748), (1810, 1608726874), (3620, 804363437), (15787, 184442620), (31574, 92221310), (50951, 57148940), (63148, 46110655), (78935, 36888524), (101902, 28574470), (157870, 18444262), (203804, 14287235), (254755, 11429788), (315740, 9222131), (509510, 5714894), (1019020, 2857447)]