4979975

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 8332800

約数和(自身を除く): 3352825

約数列:

[1, 5, 7, 11, 13, 25, 35, 55, 65, 77, 91, 143, 175, 199, 275, 325, 385, 455, 715, 995, 1001, 1393, 1925, 2189, 2275, 2587, 3575, 4975, 5005, 6965, 10945, 12935, 15323, 18109, 25025, 28457, 34825, 54725, 64675, 76615, 90545, 142285, 199199, 383075, 452725, 711425, 995995, 4979975]

約数ペア:

[(1, 4979975), (5, 995995), (7, 711425), (11, 452725), (13, 383075), (25, 199199), (35, 142285), (55, 90545), (65, 76615), (77, 64675), (91, 54725), (143, 34825), (175, 28457), (199, 25025), (275, 18109), (325, 15323), (385, 12935), (455, 10945), (715, 6965), (995, 5005), (1001, 4975), (1393, 3575), (1925, 2587), (2189, 2275)]