280990724

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:289

約数の個数: 96

約数和(自身を含む): 612648960

約数和(自身を除く): 331658236

約数列:

[1, 2, 4, 7, 14, 23, 28, 43, 46, 73, 86, 92, 139, 146, 161, 172, 278, 292, 301, 322, 511, 556, 602, 644, 973, 989, 1022, 1204, 1679, 1946, 1978, 2044, 3139, 3197, 3358, 3892, 3956, 5977, 6278, 6394, 6716, 6923, 10147, 11753, 11954, 12556, 12788, 13846, 20294, 21973, 22379, 23506, 23908, 27692, 40588, 41839, 43946, 44758, 47012, 71029, 72197, 83678, 87892, 89516, 137471, 142058, 144394, 167356, 233381, 274942, 284116, 288788, 436321, 466762, 505379, 549884, 872642, 933524, 962297, 1010758, 1633667, 1745284, 1924594, 2021516, 3054247, 3267334, 3849188, 6108494, 6534668, 10035383, 12216988, 20070766, 40141532, 70247681, 140495362, 280990724]

約数ペア:

[(1, 280990724), (2, 140495362), (4, 70247681), (7, 40141532), (14, 20070766), (23, 12216988), (28, 10035383), (43, 6534668), (46, 6108494), (73, 3849188), (86, 3267334), (92, 3054247), (139, 2021516), (146, 1924594), (161, 1745284), (172, 1633667), (278, 1010758), (292, 962297), (301, 933524), (322, 872642), (511, 549884), (556, 505379), (602, 466762), (644, 436321), (973, 288788), (989, 284116), (1022, 274942), (1204, 233381), (1679, 167356), (1946, 144394), (1978, 142058), (2044, 137471), (3139, 89516), (3197, 87892), (3358, 83678), (3892, 72197), (3956, 71029), (5977, 47012), (6278, 44758), (6394, 43946), (6716, 41839), (6923, 40588), (10147, 27692), (11753, 23908), (11954, 23506), (12556, 22379), (12788, 21973), (13846, 20294)]