20172959800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{43}}^2\times {\mathrm{7793}}^1$

素因数の和:7902

約数の個数: 144

約数和(自身を含む): 54885036240

約数和(自身を除く): 34712076440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 43, 50, 56, 70, 86, 100, 140, 172, 175, 200, 215, 280, 301, 344, 350, 430, 602, 700, 860, 1075, 1204, 1400, 1505, 1720, 1849, 2150, 2408, 3010, 3698, 4300, 6020, 7396, 7525, 7793, 8600, 9245, 12040, 12943, 14792, 15050, 15586, 18490, 25886, 30100, 31172, 36980, 38965, 46225, 51772, 54551, 60200, 62344, 64715, 73960, 77930, 92450, 103544, 109102, 129430, 155860, 184900, 194825, 218204, 258860, 272755, 311720, 323575, 335099, 369800, 389650, 436408, 517720, 545510, 647150, 670198, 779300, 1091020, 1294300, 1340396, 1363775, 1558600, 1675495, 2182040, 2345693, 2588600, 2680792, 2727550, 3350990, 4691386, 5455100, 6701980, 8377475, 9382772, 10910200, 11728465, 13403960, 14409257, 16754950, 18765544, 23456930, 28818514, 33509900, 46913860, 57637028, 58642325, 67019800, 72046285, 93827720, 100864799, 115274056, 117284650, 144092570, 201729598, 234569300, 288185140, 360231425, 403459196, 469138600, 504323995, 576370280, 720462850, 806918392, 1008647990, 1440925700, 2017295980, 2521619975, 2881851400, 4034591960, 5043239950, 10086479900, 20172959800]

約数ペア:

[(1, 20172959800), (2, 10086479900), (4, 5043239950), (5, 4034591960), (7, 2881851400), (8, 2521619975), (10, 2017295980), (14, 1440925700), (20, 1008647990), (25, 806918392), (28, 720462850), (35, 576370280), (40, 504323995), (43, 469138600), (50, 403459196), (56, 360231425), (70, 288185140), (86, 234569300), (100, 201729598), (140, 144092570), (172, 117284650), (175, 115274056), (200, 100864799), (215, 93827720), (280, 72046285), (301, 67019800), (344, 58642325), (350, 57637028), (430, 46913860), (602, 33509900), (700, 28818514), (860, 23456930), (1075, 18765544), (1204, 16754950), (1400, 14409257), (1505, 13403960), (1720, 11728465), (1849, 10910200), (2150, 9382772), (2408, 8377475), (3010, 6701980), (3698, 5455100), (4300, 4691386), (6020, 3350990), (7396, 2727550), (7525, 2680792), (7793, 2588600), (8600, 2345693), (9245, 2182040), (12040, 1675495), (12943, 1558600), (14792, 1363775), (15050, 1340396), (15586, 1294300), (18490, 1091020), (25886, 779300), (30100, 670198), (31172, 647150), (36980, 545510), (38965, 517720), (46225, 436408), (51772, 389650), (54551, 369800), (60200, 335099), (62344, 323575), (64715, 311720), (73960, 272755), (77930, 258860), (92450, 218204), (103544, 194825), (109102, 184900), (129430, 155860)]