215428500

素因数分解:

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

素因数の和:1016

約数の個数: 216

約数和(自身を含む): 791370216

約数和(自身を除く): 575941716

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 49, 50, 60, 63, 70, 75, 84, 90, 98, 100, 105, 125, 126, 140, 147, 150, 175, 180, 196, 210, 225, 245, 250, 252, 294, 300, 315, 350, 375, 420, 441, 450, 490, 500, 525, 588, 630, 700, 735, 750, 875, 882, 900, 977, 980, 1050, 1125, 1225, 1260, 1470, 1500, 1575, 1750, 1764, 1954, 2100, 2205, 2250, 2450, 2625, 2931, 2940, 3150, 3500, 3675, 3908, 4410, 4500, 4885, 4900, 5250, 5862, 6125, 6300, 6839, 7350, 7875, 8793, 8820, 9770, 10500, 11025, 11724, 12250, 13678, 14655, 14700, 15750, 17586, 18375, 19540, 20517, 22050, 24425, 24500, 27356, 29310, 31500, 34195, 35172, 36750, 41034, 43965, 44100, 47873, 48850, 55125, 58620, 61551, 68390, 73275, 73500, 82068, 87930, 95746, 97700, 102585, 110250, 122125, 123102, 136780, 143619, 146550, 170975, 175860, 191492, 205170, 219825, 220500, 239365, 244250, 246204, 287238, 293100, 307755, 341950, 366375, 410340, 430857, 439650, 478730, 488500, 512925, 574476, 615510, 683900, 718095, 732750, 854875, 861714, 879300, 957460, 1025850, 1099125, 1196825, 1231020, 1436190, 1465500, 1538775, 1709750, 1723428, 2051700, 2154285, 2198250, 2393650, 2564625, 2872380, 3077550, 3419500, 3590475, 4308570, 4396500, 4787300, 5129250, 5984125, 6155100, 7180950, 7693875, 8617140, 10258500, 10771425, 11968250, 14361900, 15387750, 17952375, 21542850, 23936500, 30775500, 35904750, 43085700, 53857125, 71809500, 107714250, 215428500]

約数ペア:

[(1, 215428500), (2, 107714250), (3, 71809500), (4, 53857125), (5, 43085700), (6, 35904750), (7, 30775500), (9, 23936500), (10, 21542850), (12, 17952375), (14, 15387750), (15, 14361900), (18, 11968250), (20, 10771425), (21, 10258500), (25, 8617140), (28, 7693875), (30, 7180950), (35, 6155100), (36, 5984125), (42, 5129250), (45, 4787300), (49, 4396500), (50, 4308570), (60, 3590475), (63, 3419500), (70, 3077550), (75, 2872380), (84, 2564625), (90, 2393650), (98, 2198250), (100, 2154285), (105, 2051700), (125, 1723428), (126, 1709750), (140, 1538775), (147, 1465500), (150, 1436190), (175, 1231020), (180, 1196825), (196, 1099125), (210, 1025850), (225, 957460), (245, 879300), (250, 861714), (252, 854875), (294, 732750), (300, 718095), (315, 683900), (350, 615510), (375, 574476), (420, 512925), (441, 488500), (450, 478730), (490, 439650), (500, 430857), (525, 410340), (588, 366375), (630, 341950), (700, 307755), (735, 293100), (750, 287238), (875, 246204), (882, 244250), (900, 239365), (977, 220500), (980, 219825), (1050, 205170), (1125, 191492), (1225, 175860), (1260, 170975), (1470, 146550), (1500, 143619), (1575, 136780), (1750, 123102), (1764, 122125), (1954, 110250), (2100, 102585), (2205, 97700), (2250, 95746), (2450, 87930), (2625, 82068), (2931, 73500), (2940, 73275), (3150, 68390), (3500, 61551), (3675, 58620), (3908, 55125), (4410, 48850), (4500, 47873), (4885, 44100), (4900, 43965), (5250, 41034), (5862, 36750), (6125, 35172), (6300, 34195), (6839, 31500), (7350, 29310), (7875, 27356), (8793, 24500), (8820, 24425), (9770, 22050), (10500, 20517), (11025, 19540), (11724, 18375), (12250, 17586), (13678, 15750), (14655, 14700)]