149420440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{287347}}^1$

素因数の和:287371

約数の個数: 32

約数和(自身を含む): 362058480

約数和(自身を除く): 212638040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 287347, 574694, 1149388, 1436735, 2298776, 2873470, 3735511, 5746940, 7471022, 11493880, 14942044, 18677555, 29884088, 37355110, 74710220, 149420440]

約数ペア:

[(1, 149420440), (2, 74710220), (4, 37355110), (5, 29884088), (8, 18677555), (10, 14942044), (13, 11493880), (20, 7471022), (26, 5746940), (40, 3735511), (52, 2873470), (65, 2298776), (104, 1436735), (130, 1149388), (260, 574694), (520, 287347)]