190077880

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{128431}}^1$

素因数の和:128479

約数の個数: 32

約数和(自身を含む): 439237440

約数和(自身を除く): 249159560

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 128431, 256862, 513724, 642155, 1027448, 1284310, 2568620, 4751947, 5137240, 9503894, 19007788, 23759735, 38015576, 47519470, 95038940, 190077880]

約数ペア:

[(1, 190077880), (2, 95038940), (4, 47519470), (5, 38015576), (8, 23759735), (10, 19007788), (20, 9503894), (37, 5137240), (40, 4751947), (74, 2568620), (148, 1284310), (185, 1027448), (296, 642155), (370, 513724), (740, 256862), (1480, 128431)]