27475804525

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1$

素因数の和:328

約数の個数: 144

約数和(自身を含む): 40969044480

約数和(自身を除く): 13493239955

約数列:

[1, 5, 13, 19, 25, 31, 61, 65, 95, 155, 169, 181, 247, 305, 325, 403, 475, 589, 775, 793, 845, 905, 1159, 1235, 1525, 1891, 2015, 2353, 2945, 3211, 3439, 3965, 4225, 4525, 5239, 5611, 5795, 6175, 7657, 9455, 10075, 10309, 11041, 11765, 14725, 15067, 16055, 17195, 19825, 24583, 26195, 28055, 28975, 30589, 35929, 38285, 44707, 47275, 51545, 55205, 58825, 72943, 75335, 80275, 85975, 99541, 106609, 122915, 130975, 140275, 143533, 152945, 179645, 191425, 195871, 209779, 223535, 257725, 276025, 319579, 342271, 364715, 376675, 467077, 497705, 533045, 581191, 614575, 717665, 764725, 898225, 948259, 979355, 1048895, 1117675, 1385917, 1597895, 1711355, 1823575, 1865929, 2335385, 2488525, 2665225, 2727127, 2905955, 3588325, 4449523, 4741295, 4896775, 5244475, 6072001, 6503149, 6929585, 7989475, 8556775, 9329645, 11676925, 13635635, 14529775, 18016921, 22247615, 23706475, 30360005, 32515745, 34647925, 35452651, 46648225, 57843799, 68178175, 84540937, 90084605, 111238075, 151800025, 162578725, 177263255, 289218995, 422704685, 450423025, 886316275, 1099032181, 1446094975, 2113523425, 5495160905, 27475804525]

約数ペア:

[(1, 27475804525), (5, 5495160905), (13, 2113523425), (19, 1446094975), (25, 1099032181), (31, 886316275), (61, 450423025), (65, 422704685), (95, 289218995), (155, 177263255), (169, 162578725), (181, 151800025), (247, 111238075), (305, 90084605), (325, 84540937), (403, 68178175), (475, 57843799), (589, 46648225), (775, 35452651), (793, 34647925), (845, 32515745), (905, 30360005), (1159, 23706475), (1235, 22247615), (1525, 18016921), (1891, 14529775), (2015, 13635635), (2353, 11676925), (2945, 9329645), (3211, 8556775), (3439, 7989475), (3965, 6929585), (4225, 6503149), (4525, 6072001), (5239, 5244475), (5611, 4896775), (5795, 4741295), (6175, 4449523), (7657, 3588325), (9455, 2905955), (10075, 2727127), (10309, 2665225), (11041, 2488525), (11765, 2335385), (14725, 1865929), (15067, 1823575), (16055, 1711355), (17195, 1597895), (19825, 1385917), (24583, 1117675), (26195, 1048895), (28055, 979355), (28975, 948259), (30589, 898225), (35929, 764725), (38285, 717665), (44707, 614575), (47275, 581191), (51545, 533045), (55205, 497705), (58825, 467077), (72943, 376675), (75335, 364715), (80275, 342271), (85975, 319579), (99541, 276025), (106609, 257725), (122915, 223535), (130975, 209779), (140275, 195871), (143533, 191425), (152945, 179645)]