30984725

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:150

約数の個数: 48

約数和(自身を含む): 43538880

約数和(自身を除く): 12554155

約数列:

[1, 5, 19, 25, 37, 41, 43, 95, 185, 205, 215, 475, 703, 779, 817, 925, 1025, 1075, 1517, 1591, 1763, 3515, 3895, 4085, 7585, 7955, 8815, 17575, 19475, 20425, 28823, 30229, 33497, 37925, 39775, 44075, 65231, 144115, 151145, 167485, 326155, 720575, 755725, 837425, 1239389, 1630775, 6196945, 30984725]

約数ペア:

[(1, 30984725), (5, 6196945), (19, 1630775), (25, 1239389), (37, 837425), (41, 755725), (43, 720575), (95, 326155), (185, 167485), (205, 151145), (215, 144115), (475, 65231), (703, 44075), (779, 39775), (817, 37925), (925, 33497), (1025, 30229), (1075, 28823), (1517, 20425), (1591, 19475), (1763, 17575), (3515, 8815), (3895, 7955), (4085, 7585)]