2438800

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1$

素因数の和:105

約数の個数: 120

約数和(自身を含む): 7318976

約数和(自身を除く): 4880176

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 35, 40, 50, 52, 56, 65, 67, 70, 80, 91, 100, 104, 112, 130, 134, 140, 175, 182, 200, 208, 260, 268, 280, 325, 335, 350, 364, 400, 455, 469, 520, 536, 560, 650, 670, 700, 728, 871, 910, 938, 1040, 1072, 1300, 1340, 1400, 1456, 1675, 1742, 1820, 1876, 2275, 2345, 2600, 2680, 2800, 3350, 3484, 3640, 3752, 4355, 4550, 4690, 5200, 5360, 6097, 6700, 6968, 7280, 7504, 8710, 9100, 9380, 11725, 12194, 13400, 13936, 17420, 18200, 18760, 21775, 23450, 24388, 26800, 30485, 34840, 36400, 37520, 43550, 46900, 48776, 60970, 69680, 87100, 93800, 97552, 121940, 152425, 174200, 187600, 243880, 304850, 348400, 487760, 609700, 1219400, 2438800]

約数ペア:

[(1, 2438800), (2, 1219400), (4, 609700), (5, 487760), (7, 348400), (8, 304850), (10, 243880), (13, 187600), (14, 174200), (16, 152425), (20, 121940), (25, 97552), (26, 93800), (28, 87100), (35, 69680), (40, 60970), (50, 48776), (52, 46900), (56, 43550), (65, 37520), (67, 36400), (70, 34840), (80, 30485), (91, 26800), (100, 24388), (104, 23450), (112, 21775), (130, 18760), (134, 18200), (140, 17420), (175, 13936), (182, 13400), (200, 12194), (208, 11725), (260, 9380), (268, 9100), (280, 8710), (325, 7504), (335, 7280), (350, 6968), (364, 6700), (400, 6097), (455, 5360), (469, 5200), (520, 4690), (536, 4550), (560, 4355), (650, 3752), (670, 3640), (700, 3484), (728, 3350), (871, 2800), (910, 2680), (938, 2600), (1040, 2345), (1072, 2275), (1300, 1876), (1340, 1820), (1400, 1742), (1456, 1675)]