28032493720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{293}}^1\times {\mathrm{31063}}^1$

素因数の和:31385

約数の個数: 128

約数和(自身を含む): 78907530240

約数和(自身を除く): 50875036520

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 293, 308, 385, 440, 586, 616, 770, 1172, 1465, 1540, 2051, 2344, 2930, 3080, 3223, 4102, 5860, 6446, 8204, 10255, 11720, 12892, 16115, 16408, 20510, 22561, 25784, 31063, 32230, 41020, 45122, 62126, 64460, 82040, 90244, 112805, 124252, 128920, 155315, 180488, 217441, 225610, 248504, 310630, 341693, 434882, 451220, 621260, 683386, 869764, 902440, 1087205, 1242520, 1366772, 1708465, 1739528, 2174410, 2391851, 2733544, 3416930, 4348820, 4783702, 6833860, 8697640, 9101459, 9567404, 11959255, 13667720, 18202918, 19134808, 23918510, 36405836, 45507295, 47837020, 63710213, 72811672, 91014590, 95674040, 100116049, 127420426, 182029180, 200232098, 254840852, 318551065, 364058360, 400464196, 500580245, 509681704, 637102130, 700812343, 800928392, 1001160490, 1274204260, 1401624686, 2002320980, 2548408520, 2803249372, 3504061715, 4004641960, 5606498744, 7008123430, 14016246860, 28032493720]

約数ペア:

[(1, 28032493720), (2, 14016246860), (4, 7008123430), (5, 5606498744), (7, 4004641960), (8, 3504061715), (10, 2803249372), (11, 2548408520), (14, 2002320980), (20, 1401624686), (22, 1274204260), (28, 1001160490), (35, 800928392), (40, 700812343), (44, 637102130), (55, 509681704), (56, 500580245), (70, 400464196), (77, 364058360), (88, 318551065), (110, 254840852), (140, 200232098), (154, 182029180), (220, 127420426), (280, 100116049), (293, 95674040), (308, 91014590), (385, 72811672), (440, 63710213), (586, 47837020), (616, 45507295), (770, 36405836), (1172, 23918510), (1465, 19134808), (1540, 18202918), (2051, 13667720), (2344, 11959255), (2930, 9567404), (3080, 9101459), (3223, 8697640), (4102, 6833860), (5860, 4783702), (6446, 4348820), (8204, 3416930), (10255, 2733544), (11720, 2391851), (12892, 2174410), (16115, 1739528), (16408, 1708465), (20510, 1366772), (22561, 1242520), (25784, 1087205), (31063, 902440), (32230, 869764), (41020, 683386), (45122, 621260), (62126, 451220), (64460, 434882), (82040, 341693), (90244, 310630), (112805, 248504), (124252, 225610), (128920, 217441), (155315, 180488)]