279720736

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{491}}^1\times {\mathrm{937}}^1$

素因数の和:1457

約数の個数: 48

約数和(自身を含む): 581484960

約数和(自身を除く): 301764224

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 491, 608, 937, 982, 1874, 1964, 3748, 3928, 7496, 7856, 9329, 14992, 15712, 17803, 18658, 29984, 35606, 37316, 71212, 74632, 142424, 149264, 284848, 298528, 460067, 569696, 920134, 1840268, 3680536, 7361072, 8741273, 14722144, 17482546, 34965092, 69930184, 139860368, 279720736]

約数ペア:

[(1, 279720736), (2, 139860368), (4, 69930184), (8, 34965092), (16, 17482546), (19, 14722144), (32, 8741273), (38, 7361072), (76, 3680536), (152, 1840268), (304, 920134), (491, 569696), (608, 460067), (937, 298528), (982, 284848), (1874, 149264), (1964, 142424), (3748, 74632), (3928, 71212), (7496, 37316), (7856, 35606), (9329, 29984), (14992, 18658), (15712, 17803)]