421145920

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1511}}^1$

素因数の和:1608

約数の個数: 112

約数和(自身を含む): 1096841088

約数和(自身を除く): 675695168

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 67, 80, 104, 130, 134, 160, 208, 260, 268, 320, 335, 416, 520, 536, 670, 832, 871, 1040, 1072, 1340, 1511, 1742, 2080, 2144, 2680, 3022, 3484, 4160, 4288, 4355, 5360, 6044, 6968, 7555, 8710, 10720, 12088, 13936, 15110, 17420, 19643, 21440, 24176, 27872, 30220, 34840, 39286, 48352, 55744, 60440, 69680, 78572, 96704, 98215, 101237, 120880, 139360, 157144, 196430, 202474, 241760, 278720, 314288, 392860, 404948, 483520, 506185, 628576, 785720, 809896, 1012370, 1257152, 1316081, 1571440, 1619792, 2024740, 2632162, 3142880, 3239584, 4049480, 5264324, 6285760, 6479168, 6580405, 8098960, 10528648, 13160810, 16197920, 21057296, 26321620, 32395840, 42114592, 52643240, 84229184, 105286480, 210572960, 421145920]

約数ペア:

[(1, 421145920), (2, 210572960), (4, 105286480), (5, 84229184), (8, 52643240), (10, 42114592), (13, 32395840), (16, 26321620), (20, 21057296), (26, 16197920), (32, 13160810), (40, 10528648), (52, 8098960), (64, 6580405), (65, 6479168), (67, 6285760), (80, 5264324), (104, 4049480), (130, 3239584), (134, 3142880), (160, 2632162), (208, 2024740), (260, 1619792), (268, 1571440), (320, 1316081), (335, 1257152), (416, 1012370), (520, 809896), (536, 785720), (670, 628576), (832, 506185), (871, 483520), (1040, 404948), (1072, 392860), (1340, 314288), (1511, 278720), (1742, 241760), (2080, 202474), (2144, 196430), (2680, 157144), (3022, 139360), (3484, 120880), (4160, 101237), (4288, 98215), (4355, 96704), (5360, 78572), (6044, 69680), (6968, 60440), (7555, 55744), (8710, 48352), (10720, 39286), (12088, 34840), (13936, 30220), (15110, 27872), (17420, 24176), (19643, 21440)]