390105800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{443}}^1$

素因数の和:520

約数の個数: 192

約数和(自身を含む): 1129749120

約数和(自身を除く): 739643320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 25, 28, 34, 35, 37, 40, 50, 56, 68, 70, 74, 85, 100, 119, 136, 140, 148, 170, 175, 185, 200, 238, 259, 280, 296, 340, 350, 370, 425, 443, 476, 518, 595, 629, 680, 700, 740, 850, 886, 925, 952, 1036, 1190, 1258, 1295, 1400, 1480, 1700, 1772, 1850, 2072, 2215, 2380, 2516, 2590, 2975, 3101, 3145, 3400, 3544, 3700, 4403, 4430, 4760, 5032, 5180, 5950, 6202, 6290, 6475, 7400, 7531, 8806, 8860, 10360, 11075, 11900, 12404, 12580, 12950, 15062, 15505, 15725, 16391, 17612, 17720, 22015, 22150, 23800, 24808, 25160, 25900, 30124, 31010, 31450, 32782, 35224, 37655, 44030, 44300, 51800, 52717, 60248, 62020, 62900, 65564, 75310, 77525, 81955, 88060, 88600, 105434, 110075, 114737, 124040, 125800, 131128, 150620, 155050, 163910, 176120, 188275, 210868, 220150, 229474, 263585, 278647, 301240, 310100, 327820, 376550, 409775, 421736, 440300, 458948, 527170, 557294, 573685, 620200, 655640, 753100, 819550, 880600, 917896, 1054340, 1114588, 1147370, 1317925, 1393235, 1506200, 1639100, 1950529, 2108680, 2229176, 2294740, 2635850, 2786470, 2868425, 3278200, 3901058, 4589480, 5271700, 5572940, 5736850, 6966175, 7802116, 9752645, 10543400, 11145880, 11473700, 13932350, 15604232, 19505290, 22947400, 27864700, 39010580, 48763225, 55729400, 78021160, 97526450, 195052900, 390105800]

約数ペア:

[(1, 390105800), (2, 195052900), (4, 97526450), (5, 78021160), (7, 55729400), (8, 48763225), (10, 39010580), (14, 27864700), (17, 22947400), (20, 19505290), (25, 15604232), (28, 13932350), (34, 11473700), (35, 11145880), (37, 10543400), (40, 9752645), (50, 7802116), (56, 6966175), (68, 5736850), (70, 5572940), (74, 5271700), (85, 4589480), (100, 3901058), (119, 3278200), (136, 2868425), (140, 2786470), (148, 2635850), (170, 2294740), (175, 2229176), (185, 2108680), (200, 1950529), (238, 1639100), (259, 1506200), (280, 1393235), (296, 1317925), (340, 1147370), (350, 1114588), (370, 1054340), (425, 917896), (443, 880600), (476, 819550), (518, 753100), (595, 655640), (629, 620200), (680, 573685), (700, 557294), (740, 527170), (850, 458948), (886, 440300), (925, 421736), (952, 409775), (1036, 376550), (1190, 327820), (1258, 310100), (1295, 301240), (1400, 278647), (1480, 263585), (1700, 229474), (1772, 220150), (1850, 210868), (2072, 188275), (2215, 176120), (2380, 163910), (2516, 155050), (2590, 150620), (2975, 131128), (3101, 125800), (3145, 124040), (3400, 114737), (3544, 110075), (3700, 105434), (4403, 88600), (4430, 88060), (4760, 81955), (5032, 77525), (5180, 75310), (5950, 65564), (6202, 62900), (6290, 62020), (6475, 60248), (7400, 52717), (7531, 51800), (8806, 44300), (8860, 44030), (10360, 37655), (11075, 35224), (11900, 32782), (12404, 31450), (12580, 31010), (12950, 30124), (15062, 25900), (15505, 25160), (15725, 24808), (16391, 23800), (17612, 22150), (17720, 22015)]