890037590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:262

約数の個数: 128

約数和(自身を含む): 1882718208

約数和(自身を除く): 992680618

約数列:

[1, 2, 5, 10, 13, 26, 31, 37, 47, 62, 65, 74, 94, 127, 130, 155, 185, 235, 254, 310, 370, 403, 470, 481, 611, 635, 806, 962, 1147, 1222, 1270, 1457, 1651, 1739, 2015, 2294, 2405, 2914, 3055, 3302, 3478, 3937, 4030, 4699, 4810, 5735, 5969, 6110, 7285, 7874, 8255, 8695, 9398, 11470, 11938, 14570, 14911, 16510, 17390, 18941, 19685, 22607, 23495, 29822, 29845, 37882, 39370, 45214, 46990, 51181, 53909, 59690, 61087, 74555, 77597, 94705, 102362, 107818, 113035, 122174, 145669, 149110, 155194, 185039, 189410, 220853, 226070, 255905, 269545, 291338, 305435, 370078, 387985, 441706, 511810, 539090, 610870, 700817, 728345, 775970, 925195, 1104265, 1401634, 1456690, 1850390, 1893697, 2208530, 2405507, 2871089, 3504085, 3787394, 4811014, 5742178, 6846443, 7008170, 9468485, 12027535, 13692886, 14355445, 18936970, 24055070, 28710890, 34232215, 68464430, 89003759, 178007518, 445018795, 890037590]

約数ペア:

[(1, 890037590), (2, 445018795), (5, 178007518), (10, 89003759), (13, 68464430), (26, 34232215), (31, 28710890), (37, 24055070), (47, 18936970), (62, 14355445), (65, 13692886), (74, 12027535), (94, 9468485), (127, 7008170), (130, 6846443), (155, 5742178), (185, 4811014), (235, 3787394), (254, 3504085), (310, 2871089), (370, 2405507), (403, 2208530), (470, 1893697), (481, 1850390), (611, 1456690), (635, 1401634), (806, 1104265), (962, 925195), (1147, 775970), (1222, 728345), (1270, 700817), (1457, 610870), (1651, 539090), (1739, 511810), (2015, 441706), (2294, 387985), (2405, 370078), (2914, 305435), (3055, 291338), (3302, 269545), (3478, 255905), (3937, 226070), (4030, 220853), (4699, 189410), (4810, 185039), (5735, 155194), (5969, 149110), (6110, 145669), (7285, 122174), (7874, 113035), (8255, 107818), (8695, 102362), (9398, 94705), (11470, 77597), (11938, 74555), (14570, 61087), (14911, 59690), (16510, 53909), (17390, 51181), (18941, 46990), (19685, 45214), (22607, 39370), (23495, 37882), (29822, 29845)]