28300120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1619}}^1$

素因数の和:1672

約数の個数: 64

約数和(自身を含む): 69984000

約数和(自身を除く): 41683880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 38, 40, 46, 76, 92, 95, 115, 152, 184, 190, 230, 380, 437, 460, 760, 874, 920, 1619, 1748, 2185, 3238, 3496, 4370, 6476, 8095, 8740, 12952, 16190, 17480, 30761, 32380, 37237, 61522, 64760, 74474, 123044, 148948, 153805, 186185, 246088, 297896, 307610, 372370, 615220, 707503, 744740, 1230440, 1415006, 1489480, 2830012, 3537515, 5660024, 7075030, 14150060, 28300120]

約数ペア:

[(1, 28300120), (2, 14150060), (4, 7075030), (5, 5660024), (8, 3537515), (10, 2830012), (19, 1489480), (20, 1415006), (23, 1230440), (38, 744740), (40, 707503), (46, 615220), (76, 372370), (92, 307610), (95, 297896), (115, 246088), (152, 186185), (184, 153805), (190, 148948), (230, 123044), (380, 74474), (437, 64760), (460, 61522), (760, 37237), (874, 32380), (920, 30761), (1619, 17480), (1748, 16190), (2185, 12952), (3238, 8740), (3496, 8095), (4370, 6476)]