71816500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{17}}^2\times {\mathrm{71}}^1$

素因数の和:131

約数の個数: 144

約数和(自身を含む): 193100544

約数和(自身を除く): 121284044

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 25, 28, 34, 35, 50, 68, 70, 71, 85, 100, 119, 125, 140, 142, 170, 175, 238, 250, 284, 289, 340, 350, 355, 425, 476, 497, 500, 578, 595, 700, 710, 850, 875, 994, 1156, 1190, 1207, 1420, 1445, 1700, 1750, 1775, 1988, 2023, 2125, 2380, 2414, 2485, 2890, 2975, 3500, 3550, 4046, 4250, 4828, 4970, 5780, 5950, 6035, 7100, 7225, 8092, 8449, 8500, 8875, 9940, 10115, 11900, 12070, 12425, 14450, 14875, 16898, 17750, 20230, 20519, 24140, 24850, 28900, 29750, 30175, 33796, 35500, 36125, 40460, 41038, 42245, 49700, 50575, 59500, 60350, 62125, 72250, 82076, 84490, 101150, 102595, 120700, 124250, 143633, 144500, 150875, 168980, 202300, 205190, 211225, 248500, 252875, 287266, 301750, 410380, 422450, 505750, 512975, 574532, 603500, 718165, 844900, 1011500, 1025950, 1056125, 1436330, 2051900, 2112250, 2564875, 2872660, 3590825, 4224500, 5129750, 7181650, 10259500, 14363300, 17954125, 35908250, 71816500]

約数ペア:

[(1, 71816500), (2, 35908250), (4, 17954125), (5, 14363300), (7, 10259500), (10, 7181650), (14, 5129750), (17, 4224500), (20, 3590825), (25, 2872660), (28, 2564875), (34, 2112250), (35, 2051900), (50, 1436330), (68, 1056125), (70, 1025950), (71, 1011500), (85, 844900), (100, 718165), (119, 603500), (125, 574532), (140, 512975), (142, 505750), (170, 422450), (175, 410380), (238, 301750), (250, 287266), (284, 252875), (289, 248500), (340, 211225), (350, 205190), (355, 202300), (425, 168980), (476, 150875), (497, 144500), (500, 143633), (578, 124250), (595, 120700), (700, 102595), (710, 101150), (850, 84490), (875, 82076), (994, 72250), (1156, 62125), (1190, 60350), (1207, 59500), (1420, 50575), (1445, 49700), (1700, 42245), (1750, 41038), (1775, 40460), (1988, 36125), (2023, 35500), (2125, 33796), (2380, 30175), (2414, 29750), (2485, 28900), (2890, 24850), (2975, 24140), (3500, 20519), (3550, 20230), (4046, 17750), (4250, 16898), (4828, 14875), (4970, 14450), (5780, 12425), (5950, 12070), (6035, 11900), (7100, 10115), (7225, 9940), (8092, 8875), (8449, 8500)]