209023440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{870931}}^1$

素因数の和:870947

約数の個数: 40

約数和(自身を含む): 647973408

約数和(自身を除く): 438949968

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 870931, 1741862, 2612793, 3483724, 4354655, 5225586, 6967448, 8709310, 10451172, 13063965, 13934896, 17418620, 20902344, 26127930, 34837240, 41804688, 52255860, 69674480, 104511720, 209023440]

約数ペア:

[(1, 209023440), (2, 104511720), (3, 69674480), (4, 52255860), (5, 41804688), (6, 34837240), (8, 26127930), (10, 20902344), (12, 17418620), (15, 13934896), (16, 13063965), (20, 10451172), (24, 8709310), (30, 6967448), (40, 5225586), (48, 4354655), (60, 3483724), (80, 2612793), (120, 1741862), (240, 870931)]