249396868

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{29}}^2\times {\mathrm{89}}^1$

素因数の和:182

約数の個数: 108

約数和(自身を含む): 562996980

約数和(自身を除く): 313600112

約数列:

[1, 2, 4, 7, 14, 17, 28, 29, 34, 49, 58, 68, 89, 98, 116, 119, 178, 196, 203, 238, 356, 406, 476, 493, 623, 812, 833, 841, 986, 1246, 1421, 1513, 1666, 1682, 1972, 2492, 2581, 2842, 3026, 3332, 3364, 3451, 4361, 5162, 5684, 5887, 6052, 6902, 8722, 10324, 10591, 11774, 13804, 14297, 17444, 18067, 21182, 23548, 24157, 28594, 36134, 41209, 42364, 43877, 48314, 57188, 72268, 74137, 74849, 82418, 87754, 96628, 100079, 126469, 148274, 149698, 164836, 175508, 200158, 252938, 296548, 299396, 307139, 400316, 505876, 523943, 614278, 700553, 1047886, 1228556, 1272433, 1401106, 2095772, 2149973, 2544866, 2802212, 3667601, 4299946, 5089732, 7335202, 8599892, 8907031, 14670404, 17814062, 35628124, 62349217, 124698434, 249396868]

約数ペア:

[(1, 249396868), (2, 124698434), (4, 62349217), (7, 35628124), (14, 17814062), (17, 14670404), (28, 8907031), (29, 8599892), (34, 7335202), (49, 5089732), (58, 4299946), (68, 3667601), (89, 2802212), (98, 2544866), (116, 2149973), (119, 2095772), (178, 1401106), (196, 1272433), (203, 1228556), (238, 1047886), (356, 700553), (406, 614278), (476, 523943), (493, 505876), (623, 400316), (812, 307139), (833, 299396), (841, 296548), (986, 252938), (1246, 200158), (1421, 175508), (1513, 164836), (1666, 149698), (1682, 148274), (1972, 126469), (2492, 100079), (2581, 96628), (2842, 87754), (3026, 82418), (3332, 74849), (3364, 74137), (3451, 72268), (4361, 57188), (5162, 48314), (5684, 43877), (5887, 42364), (6052, 41209), (6902, 36134), (8722, 28594), (10324, 24157), (10591, 23548), (11774, 21182), (13804, 18067), (14297, 17444)]