211008320

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:376

約数の個数: 112

約数和(自身を含む): 526694400

約数和(自身を除く): 315686080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 89, 124, 155, 160, 178, 239, 248, 310, 320, 356, 445, 478, 496, 620, 712, 890, 956, 992, 1195, 1240, 1424, 1780, 1912, 1984, 2390, 2480, 2759, 2848, 3560, 3824, 4780, 4960, 5518, 5696, 7120, 7409, 7648, 9560, 9920, 11036, 13795, 14240, 14818, 15296, 19120, 21271, 22072, 27590, 28480, 29636, 37045, 38240, 42542, 44144, 55180, 59272, 74090, 76480, 85084, 88288, 106355, 110360, 118544, 148180, 170168, 176576, 212710, 220720, 237088, 296360, 340336, 425420, 441440, 474176, 592720, 659401, 680672, 850840, 882880, 1185440, 1318802, 1361344, 1701680, 2370880, 2637604, 3297005, 3403360, 5275208, 6594010, 6806720, 10550416, 13188020, 21100832, 26376040, 42201664, 52752080, 105504160, 211008320]

約数ペア:

[(1, 211008320), (2, 105504160), (4, 52752080), (5, 42201664), (8, 26376040), (10, 21100832), (16, 13188020), (20, 10550416), (31, 6806720), (32, 6594010), (40, 5275208), (62, 3403360), (64, 3297005), (80, 2637604), (89, 2370880), (124, 1701680), (155, 1361344), (160, 1318802), (178, 1185440), (239, 882880), (248, 850840), (310, 680672), (320, 659401), (356, 592720), (445, 474176), (478, 441440), (496, 425420), (620, 340336), (712, 296360), (890, 237088), (956, 220720), (992, 212710), (1195, 176576), (1240, 170168), (1424, 148180), (1780, 118544), (1912, 110360), (1984, 106355), (2390, 88288), (2480, 85084), (2759, 76480), (2848, 74090), (3560, 59272), (3824, 55180), (4780, 44144), (4960, 42542), (5518, 38240), (5696, 37045), (7120, 29636), (7409, 28480), (7648, 27590), (9560, 22072), (9920, 21271), (11036, 19120), (13795, 15296), (14240, 14818)]