138822400

素因数分解:

$2^8\times 5^2\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:334

約数の個数: 108

約数和(自身を含む): 348502000

約数和(自身を除く): 209679600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 109, 128, 160, 199, 200, 218, 256, 320, 398, 400, 436, 545, 640, 796, 800, 872, 995, 1090, 1280, 1592, 1600, 1744, 1990, 2180, 2725, 3184, 3200, 3488, 3980, 4360, 4975, 5450, 6368, 6400, 6976, 7960, 8720, 9950, 10900, 12736, 13952, 15920, 17440, 19900, 21691, 21800, 25472, 27904, 31840, 34880, 39800, 43382, 43600, 50944, 63680, 69760, 79600, 86764, 87200, 108455, 127360, 139520, 159200, 173528, 174400, 216910, 254720, 318400, 347056, 348800, 433820, 542275, 636800, 694112, 697600, 867640, 1084550, 1273600, 1388224, 1735280, 2169100, 2776448, 3470560, 4338200, 5552896, 6941120, 8676400, 13882240, 17352800, 27764480, 34705600, 69411200, 138822400]

約数ペア:

[(1, 138822400), (2, 69411200), (4, 34705600), (5, 27764480), (8, 17352800), (10, 13882240), (16, 8676400), (20, 6941120), (25, 5552896), (32, 4338200), (40, 3470560), (50, 2776448), (64, 2169100), (80, 1735280), (100, 1388224), (109, 1273600), (128, 1084550), (160, 867640), (199, 697600), (200, 694112), (218, 636800), (256, 542275), (320, 433820), (398, 348800), (400, 347056), (436, 318400), (545, 254720), (640, 216910), (796, 174400), (800, 173528), (872, 159200), (995, 139520), (1090, 127360), (1280, 108455), (1592, 87200), (1600, 86764), (1744, 79600), (1990, 69760), (2180, 63680), (2725, 50944), (3184, 43600), (3200, 43382), (3488, 39800), (3980, 34880), (4360, 31840), (4975, 27904), (5450, 25472), (6368, 21800), (6400, 21691), (6976, 19900), (7960, 17440), (8720, 15920), (9950, 13952), (10900, 12736)]