139840

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:59

約数の個数: 56

約数和(自身を含む): 365760

約数和(自身を除く): 225920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 32, 38, 40, 46, 64, 76, 80, 92, 95, 115, 152, 160, 184, 190, 230, 304, 320, 368, 380, 437, 460, 608, 736, 760, 874, 920, 1216, 1472, 1520, 1748, 1840, 2185, 3040, 3496, 3680, 4370, 6080, 6992, 7360, 8740, 13984, 17480, 27968, 34960, 69920, 139840]

約数ペア:

[(1, 139840), (2, 69920), (4, 34960), (5, 27968), (8, 17480), (10, 13984), (16, 8740), (19, 7360), (20, 6992), (23, 6080), (32, 4370), (38, 3680), (40, 3496), (46, 3040), (64, 2185), (76, 1840), (80, 1748), (92, 1520), (95, 1472), (115, 1216), (152, 920), (160, 874), (184, 760), (190, 736), (230, 608), (304, 460), (320, 437), (368, 380)]