147221440

素因数分解:

$2^6\times 5^1\times {\mathrm{491}}^1\times {\mathrm{937}}^1$

素因数の和:1445

約数の個数: 56

約数和(自身を含む): 351659952

約数和(自身を除く): 204438512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 491, 937, 982, 1874, 1964, 2455, 3748, 3928, 4685, 4910, 7496, 7856, 9370, 9820, 14992, 15712, 18740, 19640, 29984, 31424, 37480, 39280, 59968, 74960, 78560, 149920, 157120, 299840, 460067, 920134, 1840268, 2300335, 3680536, 4600670, 7361072, 9201340, 14722144, 18402680, 29444288, 36805360, 73610720, 147221440]

約数ペア:

[(1, 147221440), (2, 73610720), (4, 36805360), (5, 29444288), (8, 18402680), (10, 14722144), (16, 9201340), (20, 7361072), (32, 4600670), (40, 3680536), (64, 2300335), (80, 1840268), (160, 920134), (320, 460067), (491, 299840), (937, 157120), (982, 149920), (1874, 78560), (1964, 74960), (2455, 59968), (3748, 39280), (3928, 37480), (4685, 31424), (4910, 29984), (7496, 19640), (7856, 18740), (9370, 15712), (9820, 14992)]