217820400

素因数分解:

$2^4\times 3^1\times 5^2\times 7^1\times {\mathrm{25931}}^1$

素因数の和:25959

約数の個数: 120

約数和(自身を含む): 797460864

約数和(自身を除く): 579640464

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 35, 40, 42, 48, 50, 56, 60, 70, 75, 80, 84, 100, 105, 112, 120, 140, 150, 168, 175, 200, 210, 240, 280, 300, 336, 350, 400, 420, 525, 560, 600, 700, 840, 1050, 1200, 1400, 1680, 2100, 2800, 4200, 8400, 25931, 51862, 77793, 103724, 129655, 155586, 181517, 207448, 259310, 311172, 363034, 388965, 414896, 518620, 544551, 622344, 648275, 726068, 777930, 907585, 1037240, 1089102, 1244688, 1296550, 1452136, 1555860, 1815170, 1944825, 2074480, 2178204, 2593100, 2722755, 2904272, 3111720, 3630340, 3889650, 4356408, 4537925, 5186200, 5445510, 6223440, 7260680, 7779300, 8712816, 9075850, 10372400, 10891020, 13613775, 14521360, 15558600, 18151700, 21782040, 27227550, 31117200, 36303400, 43564080, 54455100, 72606800, 108910200, 217820400]

約数ペア:

[(1, 217820400), (2, 108910200), (3, 72606800), (4, 54455100), (5, 43564080), (6, 36303400), (7, 31117200), (8, 27227550), (10, 21782040), (12, 18151700), (14, 15558600), (15, 14521360), (16, 13613775), (20, 10891020), (21, 10372400), (24, 9075850), (25, 8712816), (28, 7779300), (30, 7260680), (35, 6223440), (40, 5445510), (42, 5186200), (48, 4537925), (50, 4356408), (56, 3889650), (60, 3630340), (70, 3111720), (75, 2904272), (80, 2722755), (84, 2593100), (100, 2178204), (105, 2074480), (112, 1944825), (120, 1815170), (140, 1555860), (150, 1452136), (168, 1296550), (175, 1244688), (200, 1089102), (210, 1037240), (240, 907585), (280, 777930), (300, 726068), (336, 648275), (350, 622344), (400, 544551), (420, 518620), (525, 414896), (560, 388965), (600, 363034), (700, 311172), (840, 259310), (1050, 207448), (1200, 181517), (1400, 155586), (1680, 129655), (2100, 103724), (2800, 77793), (4200, 51862), (8400, 25931)]