16642937500

素因数分解:

$2^2\times 5^6\times 7^1\times {\mathrm{109}}^1\times {\mathrm{349}}^1$

素因数の和:499

約数の個数: 168

約数和(自身を含む): 42108836000

約数和(自身を除く): 25465898500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 109, 125, 140, 175, 218, 250, 349, 350, 436, 500, 545, 625, 698, 700, 763, 875, 1090, 1250, 1396, 1526, 1745, 1750, 2180, 2443, 2500, 2725, 3052, 3125, 3490, 3500, 3815, 4375, 4886, 5450, 6250, 6980, 7630, 8725, 8750, 9772, 10900, 12215, 12500, 13625, 15260, 15625, 17450, 17500, 19075, 21875, 24430, 27250, 31250, 34900, 38041, 38150, 43625, 43750, 48860, 54500, 61075, 62500, 68125, 76082, 76300, 87250, 87500, 95375, 109375, 122150, 136250, 152164, 174500, 190205, 190750, 218125, 218750, 244300, 266287, 272500, 305375, 340625, 380410, 381500, 436250, 437500, 476875, 532574, 610750, 681250, 760820, 872500, 951025, 953750, 1065148, 1090625, 1221500, 1331435, 1362500, 1526875, 1703125, 1902050, 1907500, 2181250, 2384375, 2662870, 3053750, 3406250, 3804100, 4362500, 4755125, 4768750, 5325740, 5453125, 6107500, 6657175, 6812500, 7634375, 9510250, 9537500, 10906250, 11921875, 13314350, 15268750, 19020500, 21812500, 23775625, 23843750, 26628700, 30537500, 33285875, 38171875, 47551250, 47687500, 66571750, 76343750, 95102500, 118878125, 133143500, 152687500, 166429375, 237756250, 332858750, 475512500, 594390625, 665717500, 832146875, 1188781250, 1664293750, 2377562500, 3328587500, 4160734375, 8321468750, 16642937500]

約数ペア:

[(1, 16642937500), (2, 8321468750), (4, 4160734375), (5, 3328587500), (7, 2377562500), (10, 1664293750), (14, 1188781250), (20, 832146875), (25, 665717500), (28, 594390625), (35, 475512500), (50, 332858750), (70, 237756250), (100, 166429375), (109, 152687500), (125, 133143500), (140, 118878125), (175, 95102500), (218, 76343750), (250, 66571750), (349, 47687500), (350, 47551250), (436, 38171875), (500, 33285875), (545, 30537500), (625, 26628700), (698, 23843750), (700, 23775625), (763, 21812500), (875, 19020500), (1090, 15268750), (1250, 13314350), (1396, 11921875), (1526, 10906250), (1745, 9537500), (1750, 9510250), (2180, 7634375), (2443, 6812500), (2500, 6657175), (2725, 6107500), (3052, 5453125), (3125, 5325740), (3490, 4768750), (3500, 4755125), (3815, 4362500), (4375, 3804100), (4886, 3406250), (5450, 3053750), (6250, 2662870), (6980, 2384375), (7630, 2181250), (8725, 1907500), (8750, 1902050), (9772, 1703125), (10900, 1526875), (12215, 1362500), (12500, 1331435), (13625, 1221500), (15260, 1090625), (15625, 1065148), (17450, 953750), (17500, 951025), (19075, 872500), (21875, 760820), (24430, 681250), (27250, 610750), (31250, 532574), (34900, 476875), (38041, 437500), (38150, 436250), (43625, 381500), (43750, 380410), (48860, 340625), (54500, 305375), (61075, 272500), (62500, 266287), (68125, 244300), (76082, 218750), (76300, 218125), (87250, 190750), (87500, 190205), (95375, 174500), (109375, 152164), (122150, 136250)]