213143875

素因数分解:

$5^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:158

約数の個数: 96

約数和(自身を含む): 345720960

約数和(自身を除く): 132577085

約数列:

[1, 5, 7, 17, 23, 25, 35, 49, 85, 89, 115, 119, 125, 161, 175, 245, 391, 425, 445, 575, 595, 623, 805, 833, 875, 1127, 1225, 1513, 1955, 2047, 2125, 2225, 2737, 2875, 2975, 3115, 4025, 4165, 4361, 5635, 6125, 7565, 9775, 10235, 10591, 11125, 13685, 14329, 14875, 15575, 19159, 20125, 20825, 21805, 28175, 34799, 37825, 48875, 51175, 52955, 68425, 71645, 74137, 77875, 95795, 100303, 104125, 109025, 140875, 173995, 189125, 243593, 255875, 264775, 342125, 358225, 370685, 478975, 501515, 545125, 869975, 1217965, 1323875, 1705151, 1791125, 1853425, 2394875, 2507575, 4349875, 6089825, 8525755, 9267125, 12537875, 30449125, 42628775, 213143875]

約数ペア:

[(1, 213143875), (5, 42628775), (7, 30449125), (17, 12537875), (23, 9267125), (25, 8525755), (35, 6089825), (49, 4349875), (85, 2507575), (89, 2394875), (115, 1853425), (119, 1791125), (125, 1705151), (161, 1323875), (175, 1217965), (245, 869975), (391, 545125), (425, 501515), (445, 478975), (575, 370685), (595, 358225), (623, 342125), (805, 264775), (833, 255875), (875, 243593), (1127, 189125), (1225, 173995), (1513, 140875), (1955, 109025), (2047, 104125), (2125, 100303), (2225, 95795), (2737, 77875), (2875, 74137), (2975, 71645), (3115, 68425), (4025, 52955), (4165, 51175), (4361, 48875), (5635, 37825), (6125, 34799), (7565, 28175), (9775, 21805), (10235, 20825), (10591, 20125), (11125, 19159), (13685, 15575), (14329, 14875)]