2017470140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{55639}}^1$

素因数の和:55699

約数の個数: 72

約数和(自身を含む): 5061682080

約数和(自身を除く): 3044211940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 49, 70, 74, 98, 140, 148, 185, 196, 245, 259, 370, 490, 518, 740, 980, 1036, 1295, 1813, 2590, 3626, 5180, 7252, 9065, 18130, 36260, 55639, 111278, 222556, 278195, 389473, 556390, 778946, 1112780, 1557892, 1947365, 2058643, 2726311, 3894730, 4117286, 5452622, 7789460, 8234572, 10293215, 10905244, 13631555, 14410501, 20586430, 27263110, 28821002, 41172860, 54526220, 57642004, 72052505, 100873507, 144105010, 201747014, 288210020, 403494028, 504367535, 1008735070, 2017470140]

約数ペア:

[(1, 2017470140), (2, 1008735070), (4, 504367535), (5, 403494028), (7, 288210020), (10, 201747014), (14, 144105010), (20, 100873507), (28, 72052505), (35, 57642004), (37, 54526220), (49, 41172860), (70, 28821002), (74, 27263110), (98, 20586430), (140, 14410501), (148, 13631555), (185, 10905244), (196, 10293215), (245, 8234572), (259, 7789460), (370, 5452622), (490, 4117286), (518, 3894730), (740, 2726311), (980, 2058643), (1036, 1947365), (1295, 1557892), (1813, 1112780), (2590, 778946), (3626, 556390), (5180, 389473), (7252, 278195), (9065, 222556), (18130, 111278), (36260, 55639)]