2000869760

素因数分解:

$2^7\times 5^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1\times {\mathrm{239}}^1$

素因数の和:488

約数の個数: 128

約数和(自身を含む): 4888166400

約数和(自身を除く): 2887296640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 103, 127, 128, 160, 206, 239, 254, 320, 412, 478, 508, 515, 635, 640, 824, 956, 1016, 1030, 1195, 1270, 1648, 1912, 2032, 2060, 2390, 2540, 3296, 3824, 4064, 4120, 4780, 5080, 6592, 7648, 8128, 8240, 9560, 10160, 13081, 13184, 15296, 16256, 16480, 19120, 20320, 24617, 26162, 30353, 30592, 32960, 38240, 40640, 49234, 52324, 60706, 65405, 65920, 76480, 81280, 98468, 104648, 121412, 123085, 130810, 151765, 152960, 196936, 209296, 242824, 246170, 261620, 303530, 393872, 418592, 485648, 492340, 523240, 607060, 787744, 837184, 971296, 984680, 1046480, 1214120, 1575488, 1674368, 1942592, 1969360, 2092960, 2428240, 3126359, 3150976, 3885184, 3938720, 4185920, 4856480, 6252718, 7877440, 8371840, 9712960, 12505436, 15631795, 15754880, 19425920, 25010872, 31263590, 50021744, 62527180, 100043488, 125054360, 200086976, 250108720, 400173952, 500217440, 1000434880, 2000869760]

約数ペア:

[(1, 2000869760), (2, 1000434880), (4, 500217440), (5, 400173952), (8, 250108720), (10, 200086976), (16, 125054360), (20, 100043488), (32, 62527180), (40, 50021744), (64, 31263590), (80, 25010872), (103, 19425920), (127, 15754880), (128, 15631795), (160, 12505436), (206, 9712960), (239, 8371840), (254, 7877440), (320, 6252718), (412, 4856480), (478, 4185920), (508, 3938720), (515, 3885184), (635, 3150976), (640, 3126359), (824, 2428240), (956, 2092960), (1016, 1969360), (1030, 1942592), (1195, 1674368), (1270, 1575488), (1648, 1214120), (1912, 1046480), (2032, 984680), (2060, 971296), (2390, 837184), (2540, 787744), (3296, 607060), (3824, 523240), (4064, 492340), (4120, 485648), (4780, 418592), (5080, 393872), (6592, 303530), (7648, 261620), (8128, 246170), (8240, 242824), (9560, 209296), (10160, 196936), (13081, 152960), (13184, 151765), (15296, 130810), (16256, 123085), (16480, 121412), (19120, 104648), (20320, 98468), (24617, 81280), (26162, 76480), (30353, 65920), (30592, 65405), (32960, 60706), (38240, 52324), (40640, 49234)]