249990944

素因数分解:

$2^5\times 7^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:231

約数の個数: 144

約数和(自身を含む): 611331840

約数和(自身を除く): 361340896

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 37, 49, 56, 62, 74, 98, 112, 124, 139, 148, 196, 217, 224, 248, 259, 278, 296, 392, 434, 496, 518, 556, 592, 784, 868, 973, 992, 1036, 1112, 1147, 1184, 1519, 1568, 1736, 1813, 1946, 2072, 2224, 2294, 3038, 3472, 3626, 3892, 4144, 4309, 4448, 4588, 5143, 6076, 6811, 6944, 7252, 7784, 8029, 8288, 8618, 9176, 10286, 12152, 13622, 14504, 15568, 16058, 17236, 18352, 20572, 24304, 27244, 29008, 30163, 31136, 32116, 34472, 36001, 36704, 41144, 48608, 54488, 56203, 58016, 60326, 64232, 68944, 72002, 82288, 108976, 112406, 120652, 128464, 137888, 144004, 159433, 164576, 211141, 217952, 224812, 241304, 252007, 256928, 288008, 318866, 422282, 449624, 482608, 504014, 576016, 637732, 844564, 899248, 965216, 1008028, 1116031, 1152032, 1275464, 1689128, 1798496, 2016056, 2232062, 2550928, 3378256, 4032112, 4464124, 5101856, 6756512, 7812217, 8064224, 8928248, 15624434, 17856496, 31248868, 35712992, 62497736, 124995472, 249990944]

約数ペア:

[(1, 249990944), (2, 124995472), (4, 62497736), (7, 35712992), (8, 31248868), (14, 17856496), (16, 15624434), (28, 8928248), (31, 8064224), (32, 7812217), (37, 6756512), (49, 5101856), (56, 4464124), (62, 4032112), (74, 3378256), (98, 2550928), (112, 2232062), (124, 2016056), (139, 1798496), (148, 1689128), (196, 1275464), (217, 1152032), (224, 1116031), (248, 1008028), (259, 965216), (278, 899248), (296, 844564), (392, 637732), (434, 576016), (496, 504014), (518, 482608), (556, 449624), (592, 422282), (784, 318866), (868, 288008), (973, 256928), (992, 252007), (1036, 241304), (1112, 224812), (1147, 217952), (1184, 211141), (1519, 164576), (1568, 159433), (1736, 144004), (1813, 137888), (1946, 128464), (2072, 120652), (2224, 112406), (2294, 108976), (3038, 82288), (3472, 72002), (3626, 68944), (3892, 64232), (4144, 60326), (4309, 58016), (4448, 56203), (4588, 54488), (5143, 48608), (6076, 41144), (6811, 36704), (6944, 36001), (7252, 34472), (7784, 32116), (8029, 31136), (8288, 30163), (8618, 29008), (9176, 27244), (10286, 24304), (12152, 20572), (13622, 18352), (14504, 17236), (15568, 16058)]