1989787904

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{389}}^1$

素因数の和:500

約数の個数: 144

約数和(自身を含む): 4519897200

約数和(自身を除く): 2530109296

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 32, 52, 53, 58, 64, 104, 106, 116, 128, 208, 212, 232, 256, 377, 389, 416, 424, 464, 689, 754, 778, 832, 848, 928, 1378, 1508, 1537, 1556, 1664, 1696, 1856, 2756, 3016, 3074, 3112, 3328, 3392, 3712, 5057, 5512, 6032, 6148, 6224, 6784, 7424, 10114, 11024, 11281, 12064, 12296, 12448, 13568, 19981, 20228, 20617, 22048, 22562, 24128, 24592, 24896, 39962, 40456, 41234, 44096, 45124, 48256, 49184, 49792, 79924, 80912, 82468, 88192, 90248, 96512, 98368, 99584, 146653, 159848, 161824, 164936, 176384, 180496, 196736, 268021, 293306, 319696, 323648, 329872, 360992, 393472, 536042, 586612, 597893, 639392, 647296, 659744, 721984, 1072084, 1173224, 1195786, 1278784, 1294592, 1319488, 1443968, 2144168, 2346448, 2391572, 2557568, 2638976, 2887936, 4288336, 4692896, 4783144, 5115136, 5277952, 7772609, 8576672, 9385792, 9566288, 15545218, 17153344, 18771584, 19132576, 31090436, 34306688, 37543168, 38265152, 62180872, 68613376, 76530304, 124361744, 153060608, 248723488, 497446976, 994893952, 1989787904]

約数ペア:

[(1, 1989787904), (2, 994893952), (4, 497446976), (8, 248723488), (13, 153060608), (16, 124361744), (26, 76530304), (29, 68613376), (32, 62180872), (52, 38265152), (53, 37543168), (58, 34306688), (64, 31090436), (104, 19132576), (106, 18771584), (116, 17153344), (128, 15545218), (208, 9566288), (212, 9385792), (232, 8576672), (256, 7772609), (377, 5277952), (389, 5115136), (416, 4783144), (424, 4692896), (464, 4288336), (689, 2887936), (754, 2638976), (778, 2557568), (832, 2391572), (848, 2346448), (928, 2144168), (1378, 1443968), (1508, 1319488), (1537, 1294592), (1556, 1278784), (1664, 1195786), (1696, 1173224), (1856, 1072084), (2756, 721984), (3016, 659744), (3074, 647296), (3112, 639392), (3328, 597893), (3392, 586612), (3712, 536042), (5057, 393472), (5512, 360992), (6032, 329872), (6148, 323648), (6224, 319696), (6784, 293306), (7424, 268021), (10114, 196736), (11024, 180496), (11281, 176384), (12064, 164936), (12296, 161824), (12448, 159848), (13568, 146653), (19981, 99584), (20228, 98368), (20617, 96512), (22048, 90248), (22562, 88192), (24128, 82468), (24592, 80912), (24896, 79924), (39962, 49792), (40456, 49184), (41234, 48256), (44096, 45124)]