278810010

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1\times {\mathrm{293}}^1$

素因数の和:512

約数の個数: 96

約数和(自身を含む): 741620880

約数和(自身を除く): 462810870

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 97, 109, 194, 218, 291, 293, 327, 485, 545, 582, 586, 654, 873, 879, 970, 981, 1090, 1455, 1465, 1635, 1746, 1758, 1962, 2637, 2910, 2930, 3270, 4365, 4395, 4905, 5274, 8730, 8790, 9810, 10573, 13185, 21146, 26370, 28421, 31719, 31937, 52865, 56842, 63438, 63874, 85263, 95157, 95811, 105730, 142105, 158595, 159685, 170526, 190314, 191622, 255789, 284210, 287433, 317190, 319370, 426315, 475785, 479055, 511578, 574866, 852630, 951570, 958110, 1278945, 1437165, 2557890, 2874330, 3097889, 6195778, 9293667, 15489445, 18587334, 27881001, 30978890, 46468335, 55762002, 92936670, 139405005, 278810010]

約数ペア:

[(1, 278810010), (2, 139405005), (3, 92936670), (5, 55762002), (6, 46468335), (9, 30978890), (10, 27881001), (15, 18587334), (18, 15489445), (30, 9293667), (45, 6195778), (90, 3097889), (97, 2874330), (109, 2557890), (194, 1437165), (218, 1278945), (291, 958110), (293, 951570), (327, 852630), (485, 574866), (545, 511578), (582, 479055), (586, 475785), (654, 426315), (873, 319370), (879, 317190), (970, 287433), (981, 284210), (1090, 255789), (1455, 191622), (1465, 190314), (1635, 170526), (1746, 159685), (1758, 158595), (1962, 142105), (2637, 105730), (2910, 95811), (2930, 95157), (3270, 85263), (4365, 63874), (4395, 63438), (4905, 56842), (5274, 52865), (8730, 31937), (8790, 31719), (9810, 28421), (10573, 26370), (13185, 21146)]