664510175

素因数分解:

$5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{233}}^1\times {\mathrm{379}}^1$

素因数の和:672

約数の個数: 48

約数和(自身を含む): 970295040

約数和(自身を除く): 305784865

約数列:

[1, 5, 7, 25, 35, 43, 175, 215, 233, 301, 379, 1075, 1165, 1505, 1631, 1895, 2653, 5825, 7525, 8155, 9475, 10019, 13265, 16297, 40775, 50095, 66325, 70133, 81485, 88307, 114079, 250475, 350665, 407425, 441535, 570395, 618149, 1753325, 2207675, 2851975, 3090745, 3797201, 15453725, 18986005, 26580407, 94930025, 132902035, 664510175]

約数ペア:

[(1, 664510175), (5, 132902035), (7, 94930025), (25, 26580407), (35, 18986005), (43, 15453725), (175, 3797201), (215, 3090745), (233, 2851975), (301, 2207675), (379, 1753325), (1075, 618149), (1165, 570395), (1505, 441535), (1631, 407425), (1895, 350665), (2653, 250475), (5825, 114079), (7525, 88307), (8155, 81485), (9475, 70133), (10019, 66325), (13265, 50095), (16297, 40775)]