28090400

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:143

約数の個数: 144

約数和(自身を含む): 76885704

約数和(自身を除く): 48795304

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 37, 40, 50, 52, 65, 73, 74, 80, 100, 104, 130, 146, 148, 160, 185, 200, 208, 260, 292, 296, 325, 365, 370, 400, 416, 481, 520, 584, 592, 650, 730, 740, 800, 925, 949, 962, 1040, 1168, 1184, 1300, 1460, 1480, 1825, 1850, 1898, 1924, 2080, 2336, 2405, 2600, 2701, 2920, 2960, 3650, 3700, 3796, 3848, 4745, 4810, 5200, 5402, 5840, 5920, 7300, 7400, 7592, 7696, 9490, 9620, 10400, 10804, 11680, 12025, 13505, 14600, 14800, 15184, 15392, 18980, 19240, 21608, 23725, 24050, 27010, 29200, 29600, 30368, 35113, 37960, 38480, 43216, 47450, 48100, 54020, 58400, 67525, 70226, 75920, 76960, 86432, 94900, 96200, 108040, 135050, 140452, 151840, 175565, 189800, 192400, 216080, 270100, 280904, 351130, 379600, 384800, 432160, 540200, 561808, 702260, 759200, 877825, 1080400, 1123616, 1404520, 1755650, 2160800, 2809040, 3511300, 5618080, 7022600, 14045200, 28090400]

約数ペア:

[(1, 28090400), (2, 14045200), (4, 7022600), (5, 5618080), (8, 3511300), (10, 2809040), (13, 2160800), (16, 1755650), (20, 1404520), (25, 1123616), (26, 1080400), (32, 877825), (37, 759200), (40, 702260), (50, 561808), (52, 540200), (65, 432160), (73, 384800), (74, 379600), (80, 351130), (100, 280904), (104, 270100), (130, 216080), (146, 192400), (148, 189800), (160, 175565), (185, 151840), (200, 140452), (208, 135050), (260, 108040), (292, 96200), (296, 94900), (325, 86432), (365, 76960), (370, 75920), (400, 70226), (416, 67525), (481, 58400), (520, 54020), (584, 48100), (592, 47450), (650, 43216), (730, 38480), (740, 37960), (800, 35113), (925, 30368), (949, 29600), (962, 29200), (1040, 27010), (1168, 24050), (1184, 23725), (1300, 21608), (1460, 19240), (1480, 18980), (1825, 15392), (1850, 15184), (1898, 14800), (1924, 14600), (2080, 13505), (2336, 12025), (2405, 11680), (2600, 10804), (2701, 10400), (2920, 9620), (2960, 9490), (3650, 7696), (3700, 7592), (3796, 7400), (3848, 7300), (4745, 5920), (4810, 5840), (5200, 5402)]