71605900

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{191}}^1$

素因数の和:391

約数の個数: 72

約数和(自身を含む): 163989504

約数和(自身を除く): 92383604

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 163, 191, 230, 326, 382, 460, 575, 652, 764, 815, 955, 1150, 1630, 1910, 2300, 3260, 3749, 3820, 4075, 4393, 4775, 7498, 8150, 8786, 9550, 14996, 16300, 17572, 18745, 19100, 21965, 31133, 37490, 43930, 62266, 74980, 87860, 93725, 109825, 124532, 155665, 187450, 219650, 311330, 374900, 439300, 622660, 716059, 778325, 1432118, 1556650, 2864236, 3113300, 3580295, 7160590, 14321180, 17901475, 35802950, 71605900]

約数ペア:

[(1, 71605900), (2, 35802950), (4, 17901475), (5, 14321180), (10, 7160590), (20, 3580295), (23, 3113300), (25, 2864236), (46, 1556650), (50, 1432118), (92, 778325), (100, 716059), (115, 622660), (163, 439300), (191, 374900), (230, 311330), (326, 219650), (382, 187450), (460, 155665), (575, 124532), (652, 109825), (764, 93725), (815, 87860), (955, 74980), (1150, 62266), (1630, 43930), (1910, 37490), (2300, 31133), (3260, 21965), (3749, 19100), (3820, 18745), (4075, 17572), (4393, 16300), (4775, 14996), (7498, 9550), (8150, 8786)]