1981911000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{38861}}^1$

素因数の和:38902

約数の個数: 128

約数和(自身を含む): 6547469760

約数和(自身を除く): 4565558760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 25, 30, 34, 40, 50, 51, 60, 68, 75, 85, 100, 102, 120, 125, 136, 150, 170, 200, 204, 250, 255, 300, 340, 375, 408, 425, 500, 510, 600, 680, 750, 850, 1000, 1020, 1275, 1500, 1700, 2040, 2125, 2550, 3000, 3400, 4250, 5100, 6375, 8500, 10200, 12750, 17000, 25500, 38861, 51000, 77722, 116583, 155444, 194305, 233166, 310888, 388610, 466332, 582915, 660637, 777220, 932664, 971525, 1165830, 1321274, 1554440, 1943050, 1981911, 2331660, 2642548, 2914575, 3303185, 3886100, 3963822, 4663320, 4857625, 5285096, 5829150, 6606370, 7772200, 7927644, 9715250, 9909555, 11658300, 13212740, 14572875, 15855288, 16515925, 19430500, 19819110, 23316600, 26425480, 29145750, 33031850, 38861000, 39638220, 49547775, 58291500, 66063700, 79276440, 82579625, 99095550, 116583000, 132127400, 165159250, 198191100, 247738875, 330318500, 396382200, 495477750, 660637000, 990955500, 1981911000]

約数ペア:

[(1, 1981911000), (2, 990955500), (3, 660637000), (4, 495477750), (5, 396382200), (6, 330318500), (8, 247738875), (10, 198191100), (12, 165159250), (15, 132127400), (17, 116583000), (20, 99095550), (24, 82579625), (25, 79276440), (30, 66063700), (34, 58291500), (40, 49547775), (50, 39638220), (51, 38861000), (60, 33031850), (68, 29145750), (75, 26425480), (85, 23316600), (100, 19819110), (102, 19430500), (120, 16515925), (125, 15855288), (136, 14572875), (150, 13212740), (170, 11658300), (200, 9909555), (204, 9715250), (250, 7927644), (255, 7772200), (300, 6606370), (340, 5829150), (375, 5285096), (408, 4857625), (425, 4663320), (500, 3963822), (510, 3886100), (600, 3303185), (680, 2914575), (750, 2642548), (850, 2331660), (1000, 1981911), (1020, 1943050), (1275, 1554440), (1500, 1321274), (1700, 1165830), (2040, 971525), (2125, 932664), (2550, 777220), (3000, 660637), (3400, 582915), (4250, 466332), (5100, 388610), (6375, 310888), (8500, 233166), (10200, 194305), (12750, 155444), (17000, 116583), (25500, 77722), (38861, 51000)]