71809500

素因数分解:

$2^2\times 3^1\times 5^3\times 7^2\times {\mathrm{977}}^1$

素因数の和:1013

約数の個数: 144

約数和(自身を含む): 243498528

約数和(自身を除く): 171689028

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 49, 50, 60, 70, 75, 84, 98, 100, 105, 125, 140, 147, 150, 175, 196, 210, 245, 250, 294, 300, 350, 375, 420, 490, 500, 525, 588, 700, 735, 750, 875, 977, 980, 1050, 1225, 1470, 1500, 1750, 1954, 2100, 2450, 2625, 2931, 2940, 3500, 3675, 3908, 4885, 4900, 5250, 5862, 6125, 6839, 7350, 9770, 10500, 11724, 12250, 13678, 14655, 14700, 18375, 19540, 20517, 24425, 24500, 27356, 29310, 34195, 36750, 41034, 47873, 48850, 58620, 68390, 73275, 73500, 82068, 95746, 97700, 102585, 122125, 136780, 143619, 146550, 170975, 191492, 205170, 239365, 244250, 287238, 293100, 341950, 366375, 410340, 478730, 488500, 512925, 574476, 683900, 718095, 732750, 854875, 957460, 1025850, 1196825, 1436190, 1465500, 1709750, 2051700, 2393650, 2564625, 2872380, 3419500, 3590475, 4787300, 5129250, 5984125, 7180950, 10258500, 11968250, 14361900, 17952375, 23936500, 35904750, 71809500]

約数ペア:

[(1, 71809500), (2, 35904750), (3, 23936500), (4, 17952375), (5, 14361900), (6, 11968250), (7, 10258500), (10, 7180950), (12, 5984125), (14, 5129250), (15, 4787300), (20, 3590475), (21, 3419500), (25, 2872380), (28, 2564625), (30, 2393650), (35, 2051700), (42, 1709750), (49, 1465500), (50, 1436190), (60, 1196825), (70, 1025850), (75, 957460), (84, 854875), (98, 732750), (100, 718095), (105, 683900), (125, 574476), (140, 512925), (147, 488500), (150, 478730), (175, 410340), (196, 366375), (210, 341950), (245, 293100), (250, 287238), (294, 244250), (300, 239365), (350, 205170), (375, 191492), (420, 170975), (490, 146550), (500, 143619), (525, 136780), (588, 122125), (700, 102585), (735, 97700), (750, 95746), (875, 82068), (977, 73500), (980, 73275), (1050, 68390), (1225, 58620), (1470, 48850), (1500, 47873), (1750, 41034), (1954, 36750), (2100, 34195), (2450, 29310), (2625, 27356), (2931, 24500), (2940, 24425), (3500, 20517), (3675, 19540), (3908, 18375), (4885, 14700), (4900, 14655), (5250, 13678), (5862, 12250), (6125, 11724), (6839, 10500), (7350, 9770)]