239983440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{999931}}^1$

素因数の和:999947

約数の個数: 40

約数和(自身を含む): 743949408

約数和(自身を除く): 503965968

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 999931, 1999862, 2999793, 3999724, 4999655, 5999586, 7999448, 9999310, 11999172, 14998965, 15998896, 19998620, 23998344, 29997930, 39997240, 47996688, 59995860, 79994480, 119991720, 239983440]

約数ペア:

[(1, 239983440), (2, 119991720), (3, 79994480), (4, 59995860), (5, 47996688), (6, 39997240), (8, 29997930), (10, 23998344), (12, 19998620), (15, 15998896), (16, 14998965), (20, 11999172), (24, 9999310), (30, 7999448), (40, 5999586), (48, 4999655), (60, 3999724), (80, 2999793), (120, 1999862), (240, 999931)]