209727800

素因数分解:

$2^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{359}}^1$

素因数の和:525

約数の個数: 96

約数和(自身を含む): 514252800

約数和(自身を除く): 304525000

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 46, 50, 92, 100, 115, 127, 184, 200, 230, 254, 359, 460, 508, 575, 635, 718, 920, 1016, 1150, 1270, 1436, 1795, 2300, 2540, 2872, 2921, 3175, 3590, 4600, 5080, 5842, 6350, 7180, 8257, 8975, 11684, 12700, 14360, 14605, 16514, 17950, 23368, 25400, 29210, 33028, 35900, 41285, 45593, 58420, 66056, 71800, 73025, 82570, 91186, 116840, 146050, 165140, 182372, 206425, 227965, 292100, 330280, 364744, 412850, 455930, 584200, 825700, 911860, 1048639, 1139825, 1651400, 1823720, 2097278, 2279650, 4194556, 4559300, 5243195, 8389112, 9118600, 10486390, 20972780, 26215975, 41945560, 52431950, 104863900, 209727800]

約数ペア:

[(1, 209727800), (2, 104863900), (4, 52431950), (5, 41945560), (8, 26215975), (10, 20972780), (20, 10486390), (23, 9118600), (25, 8389112), (40, 5243195), (46, 4559300), (50, 4194556), (92, 2279650), (100, 2097278), (115, 1823720), (127, 1651400), (184, 1139825), (200, 1048639), (230, 911860), (254, 825700), (359, 584200), (460, 455930), (508, 412850), (575, 364744), (635, 330280), (718, 292100), (920, 227965), (1016, 206425), (1150, 182372), (1270, 165140), (1436, 146050), (1795, 116840), (2300, 91186), (2540, 82570), (2872, 73025), (2921, 71800), (3175, 66056), (3590, 58420), (4600, 45593), (5080, 41285), (5842, 35900), (6350, 33028), (7180, 29210), (8257, 25400), (8975, 23368), (11684, 17950), (12700, 16514), (14360, 14605)]