255390400

素因数分解:

$2^6\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1$

素因数の和:343

約数の個数: 168

約数和(自身を含む): 685352960

約数和(自身を除く): 429962560

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 31, 32, 38, 40, 50, 62, 64, 76, 80, 95, 100, 124, 152, 155, 160, 190, 200, 248, 271, 304, 310, 320, 380, 400, 475, 496, 542, 589, 608, 620, 760, 775, 800, 950, 992, 1084, 1178, 1216, 1240, 1355, 1520, 1550, 1600, 1900, 1984, 2168, 2356, 2480, 2710, 2945, 3040, 3100, 3800, 4336, 4712, 4960, 5149, 5420, 5890, 6080, 6200, 6775, 7600, 8401, 8672, 9424, 9920, 10298, 10840, 11780, 12400, 13550, 14725, 15200, 16802, 17344, 18848, 20596, 21680, 23560, 24800, 25745, 27100, 29450, 30400, 33604, 37696, 41192, 42005, 43360, 47120, 49600, 51490, 54200, 58900, 67208, 82384, 84010, 86720, 94240, 102980, 108400, 117800, 128725, 134416, 159619, 164768, 168020, 188480, 205960, 210025, 216800, 235600, 257450, 268832, 319238, 329536, 336040, 411920, 420050, 433600, 471200, 514900, 537664, 638476, 672080, 798095, 823840, 840100, 942400, 1029800, 1276952, 1344160, 1596190, 1647680, 1680200, 2059600, 2553904, 2688320, 3192380, 3360400, 3990475, 4119200, 5107808, 6384760, 6720800, 7980950, 8238400, 10215616, 12769520, 13441600, 15961900, 25539040, 31923800, 51078080, 63847600, 127695200, 255390400]

約数ペア:

[(1, 255390400), (2, 127695200), (4, 63847600), (5, 51078080), (8, 31923800), (10, 25539040), (16, 15961900), (19, 13441600), (20, 12769520), (25, 10215616), (31, 8238400), (32, 7980950), (38, 6720800), (40, 6384760), (50, 5107808), (62, 4119200), (64, 3990475), (76, 3360400), (80, 3192380), (95, 2688320), (100, 2553904), (124, 2059600), (152, 1680200), (155, 1647680), (160, 1596190), (190, 1344160), (200, 1276952), (248, 1029800), (271, 942400), (304, 840100), (310, 823840), (320, 798095), (380, 672080), (400, 638476), (475, 537664), (496, 514900), (542, 471200), (589, 433600), (608, 420050), (620, 411920), (760, 336040), (775, 329536), (800, 319238), (950, 268832), (992, 257450), (1084, 235600), (1178, 216800), (1216, 210025), (1240, 205960), (1355, 188480), (1520, 168020), (1550, 164768), (1600, 159619), (1900, 134416), (1984, 128725), (2168, 117800), (2356, 108400), (2480, 102980), (2710, 94240), (2945, 86720), (3040, 84010), (3100, 82384), (3800, 67208), (4336, 58900), (4712, 54200), (4960, 51490), (5149, 49600), (5420, 47120), (5890, 43360), (6080, 42005), (6200, 41192), (6775, 37696), (7600, 33604), (8401, 30400), (8672, 29450), (9424, 27100), (9920, 25745), (10298, 24800), (10840, 23560), (11780, 21680), (12400, 20596), (13550, 18848), (14725, 17344), (15200, 16802)]