400120884

素因数分解:

$2^2\times 3^5\times {\mathrm{73}}^1\times {\mathrm{5639}}^1$

素因数の和:5731

約数の個数: 72

約数和(自身を含む): 1063433280

約数和(自身を除く): 663312396

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 73, 81, 108, 146, 162, 219, 243, 292, 324, 438, 486, 657, 876, 972, 1314, 1971, 2628, 3942, 5639, 5913, 7884, 11278, 11826, 16917, 17739, 22556, 23652, 33834, 35478, 50751, 67668, 70956, 101502, 152253, 203004, 304506, 411647, 456759, 609012, 823294, 913518, 1234941, 1370277, 1646588, 1827036, 2469882, 2740554, 3704823, 4939764, 5481108, 7409646, 11114469, 14819292, 22228938, 33343407, 44457876, 66686814, 100030221, 133373628, 200060442, 400120884]

約数ペア:

[(1, 400120884), (2, 200060442), (3, 133373628), (4, 100030221), (6, 66686814), (9, 44457876), (12, 33343407), (18, 22228938), (27, 14819292), (36, 11114469), (54, 7409646), (73, 5481108), (81, 4939764), (108, 3704823), (146, 2740554), (162, 2469882), (219, 1827036), (243, 1646588), (292, 1370277), (324, 1234941), (438, 913518), (486, 823294), (657, 609012), (876, 456759), (972, 411647), (1314, 304506), (1971, 203004), (2628, 152253), (3942, 101502), (5639, 70956), (5913, 67668), (7884, 50751), (11278, 35478), (11826, 33834), (16917, 23652), (17739, 22556)]