82971700

素因数分解:

$2^2\times 5^2\times 7^3\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:135

約数の個数: 144

約数和(自身を含む): 218736000

約数和(自身を除く): 135764300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 41, 49, 50, 59, 70, 82, 98, 100, 118, 140, 164, 175, 196, 205, 236, 245, 287, 295, 343, 350, 410, 413, 490, 574, 590, 686, 700, 820, 826, 980, 1025, 1148, 1180, 1225, 1372, 1435, 1475, 1652, 1715, 2009, 2050, 2065, 2419, 2450, 2870, 2891, 2950, 3430, 4018, 4100, 4130, 4838, 4900, 5740, 5782, 5900, 6860, 7175, 8036, 8260, 8575, 9676, 10045, 10325, 11564, 12095, 14063, 14350, 14455, 16933, 17150, 20090, 20237, 20650, 24190, 28126, 28700, 28910, 33866, 34300, 40180, 40474, 41300, 48380, 50225, 56252, 57820, 60475, 67732, 70315, 72275, 80948, 84665, 100450, 101185, 118531, 120950, 140630, 144550, 169330, 200900, 202370, 237062, 241900, 281260, 289100, 338660, 351575, 404740, 423325, 474124, 505925, 592655, 703150, 829717, 846650, 1011850, 1185310, 1406300, 1659434, 1693300, 2023700, 2370620, 2963275, 3318868, 4148585, 5926550, 8297170, 11853100, 16594340, 20742925, 41485850, 82971700]

約数ペア:

[(1, 82971700), (2, 41485850), (4, 20742925), (5, 16594340), (7, 11853100), (10, 8297170), (14, 5926550), (20, 4148585), (25, 3318868), (28, 2963275), (35, 2370620), (41, 2023700), (49, 1693300), (50, 1659434), (59, 1406300), (70, 1185310), (82, 1011850), (98, 846650), (100, 829717), (118, 703150), (140, 592655), (164, 505925), (175, 474124), (196, 423325), (205, 404740), (236, 351575), (245, 338660), (287, 289100), (295, 281260), (343, 241900), (350, 237062), (410, 202370), (413, 200900), (490, 169330), (574, 144550), (590, 140630), (686, 120950), (700, 118531), (820, 101185), (826, 100450), (980, 84665), (1025, 80948), (1148, 72275), (1180, 70315), (1225, 67732), (1372, 60475), (1435, 57820), (1475, 56252), (1652, 50225), (1715, 48380), (2009, 41300), (2050, 40474), (2065, 40180), (2419, 34300), (2450, 33866), (2870, 28910), (2891, 28700), (2950, 28126), (3430, 24190), (4018, 20650), (4100, 20237), (4130, 20090), (4838, 17150), (4900, 16933), (5740, 14455), (5782, 14350), (5900, 14063), (6860, 12095), (7175, 11564), (8036, 10325), (8260, 10045), (8575, 9676)]