218214400

素因数分解:

$2^{12}\times 5^2\times {\mathrm{2131}}^1$

素因数の和:2165

約数の個数: 78

約数和(自身を含む): 541359572

約数和(自身を除く): 323145172

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 640, 800, 1024, 1280, 1600, 2048, 2131, 2560, 3200, 4096, 4262, 5120, 6400, 8524, 10240, 10655, 12800, 17048, 20480, 21310, 25600, 34096, 42620, 51200, 53275, 68192, 85240, 102400, 106550, 136384, 170480, 213100, 272768, 340960, 426200, 545536, 681920, 852400, 1091072, 1363840, 1704800, 2182144, 2727680, 3409600, 4364288, 5455360, 6819200, 8728576, 10910720, 13638400, 21821440, 27276800, 43642880, 54553600, 109107200, 218214400]

約数ペア:

[(1, 218214400), (2, 109107200), (4, 54553600), (5, 43642880), (8, 27276800), (10, 21821440), (16, 13638400), (20, 10910720), (25, 8728576), (32, 6819200), (40, 5455360), (50, 4364288), (64, 3409600), (80, 2727680), (100, 2182144), (128, 1704800), (160, 1363840), (200, 1091072), (256, 852400), (320, 681920), (400, 545536), (512, 426200), (640, 340960), (800, 272768), (1024, 213100), (1280, 170480), (1600, 136384), (2048, 106550), (2131, 102400), (2560, 85240), (3200, 68192), (4096, 53275), (4262, 51200), (5120, 42620), (6400, 34096), (8524, 25600), (10240, 21310), (10655, 20480), (12800, 17048)]