68438900

素因数分解:

$2^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{349}}^1$

素因数の和:453

約数の個数: 72

約数和(自身を含む): 155849400

約数和(自身を除く): 87410500

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 53, 74, 100, 106, 148, 185, 212, 265, 349, 370, 530, 698, 740, 925, 1060, 1325, 1396, 1745, 1850, 1961, 2650, 3490, 3700, 3922, 5300, 6980, 7844, 8725, 9805, 12913, 17450, 18497, 19610, 25826, 34900, 36994, 39220, 49025, 51652, 64565, 73988, 92485, 98050, 129130, 184970, 196100, 258260, 322825, 369940, 462425, 645650, 684389, 924850, 1291300, 1368778, 1849700, 2737556, 3421945, 6843890, 13687780, 17109725, 34219450, 68438900]

約数ペア:

[(1, 68438900), (2, 34219450), (4, 17109725), (5, 13687780), (10, 6843890), (20, 3421945), (25, 2737556), (37, 1849700), (50, 1368778), (53, 1291300), (74, 924850), (100, 684389), (106, 645650), (148, 462425), (185, 369940), (212, 322825), (265, 258260), (349, 196100), (370, 184970), (530, 129130), (698, 98050), (740, 92485), (925, 73988), (1060, 64565), (1325, 51652), (1396, 49025), (1745, 39220), (1850, 36994), (1961, 34900), (2650, 25826), (3490, 19610), (3700, 18497), (3922, 17450), (5300, 12913), (6980, 9805), (7844, 8725)]