408709476

素因数分解:

$2^2\times 3^6\times 7^1\times {\mathrm{20023}}^1$

素因数の和:20052

約数の個数: 84

約数和(自身を含む): 1225628992

約数和(自身を除く): 816919516

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 243, 252, 324, 378, 486, 567, 729, 756, 972, 1134, 1458, 1701, 2268, 2916, 3402, 5103, 6804, 10206, 20023, 20412, 40046, 60069, 80092, 120138, 140161, 180207, 240276, 280322, 360414, 420483, 540621, 560644, 720828, 840966, 1081242, 1261449, 1621863, 1681932, 2162484, 2522898, 3243726, 3784347, 4865589, 5045796, 6487452, 7568694, 9731178, 11353041, 14596767, 15137388, 19462356, 22706082, 29193534, 34059123, 45412164, 58387068, 68118246, 102177369, 136236492, 204354738, 408709476]

約数ペア:

[(1, 408709476), (2, 204354738), (3, 136236492), (4, 102177369), (6, 68118246), (7, 58387068), (9, 45412164), (12, 34059123), (14, 29193534), (18, 22706082), (21, 19462356), (27, 15137388), (28, 14596767), (36, 11353041), (42, 9731178), (54, 7568694), (63, 6487452), (81, 5045796), (84, 4865589), (108, 3784347), (126, 3243726), (162, 2522898), (189, 2162484), (243, 1681932), (252, 1621863), (324, 1261449), (378, 1081242), (486, 840966), (567, 720828), (729, 560644), (756, 540621), (972, 420483), (1134, 360414), (1458, 280322), (1701, 240276), (2268, 180207), (2916, 140161), (3402, 120138), (5103, 80092), (6804, 60069), (10206, 40046), (20023, 20412)]