153888440

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{30293}}^1$

素因数の和:30431

約数の個数: 32

約数和(自身を含む): 348986880

約数和(自身を除く): 195098440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 30293, 60586, 121172, 151465, 242344, 302930, 605860, 1211720, 3847211, 7694422, 15388844, 19236055, 30777688, 38472110, 76944220, 153888440]

約数ペア:

[(1, 153888440), (2, 76944220), (4, 38472110), (5, 30777688), (8, 19236055), (10, 15388844), (20, 7694422), (40, 3847211), (127, 1211720), (254, 605860), (508, 302930), (635, 242344), (1016, 151465), (1270, 121172), (2540, 60586), (5080, 30293)]