680875775

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:344

約数の個数: 48

約数和(自身を含む): 901549440

約数和(自身を除く): 220673665

約数列:

[1, 5, 25, 29, 67, 107, 131, 145, 335, 535, 655, 725, 1675, 1943, 2675, 3103, 3275, 3799, 7169, 8777, 9715, 14017, 15515, 18995, 35845, 43885, 48575, 70085, 77575, 94975, 179225, 207901, 219425, 254533, 350425, 406493, 939139, 1039505, 1272665, 2032465, 4695695, 5197525, 6363325, 10162325, 23478475, 27235031, 136175155, 680875775]

約数ペア:

[(1, 680875775), (5, 136175155), (25, 27235031), (29, 23478475), (67, 10162325), (107, 6363325), (131, 5197525), (145, 4695695), (335, 2032465), (535, 1272665), (655, 1039505), (725, 939139), (1675, 406493), (1943, 350425), (2675, 254533), (3103, 219425), (3275, 207901), (3799, 179225), (7169, 94975), (8777, 77575), (9715, 70085), (14017, 48575), (15515, 43885), (18995, 35845)]