97721680

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{257}}^1$

素因数の和:381

約数の個数: 120

約数和(自身を含む): 268060968

約数和(自身を除く): 170339288

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 97, 98, 112, 140, 194, 196, 245, 257, 280, 388, 392, 485, 490, 514, 560, 679, 776, 784, 970, 980, 1028, 1285, 1358, 1552, 1799, 1940, 1960, 2056, 2570, 2716, 3395, 3598, 3880, 3920, 4112, 4753, 5140, 5432, 6790, 7196, 7760, 8995, 9506, 10280, 10864, 12593, 13580, 14392, 17990, 19012, 20560, 23765, 24929, 25186, 27160, 28784, 35980, 38024, 47530, 49858, 50372, 54320, 62965, 71960, 76048, 95060, 99716, 100744, 124645, 125930, 143920, 174503, 190120, 199432, 201488, 249290, 251860, 349006, 380240, 398864, 498580, 503720, 698012, 872515, 997160, 1007440, 1221521, 1396024, 1745030, 1994320, 2443042, 2792048, 3490060, 4886084, 6107605, 6980120, 9772168, 12215210, 13960240, 19544336, 24430420, 48860840, 97721680]

約数ペア:

[(1, 97721680), (2, 48860840), (4, 24430420), (5, 19544336), (7, 13960240), (8, 12215210), (10, 9772168), (14, 6980120), (16, 6107605), (20, 4886084), (28, 3490060), (35, 2792048), (40, 2443042), (49, 1994320), (56, 1745030), (70, 1396024), (80, 1221521), (97, 1007440), (98, 997160), (112, 872515), (140, 698012), (194, 503720), (196, 498580), (245, 398864), (257, 380240), (280, 349006), (388, 251860), (392, 249290), (485, 201488), (490, 199432), (514, 190120), (560, 174503), (679, 143920), (776, 125930), (784, 124645), (970, 100744), (980, 99716), (1028, 95060), (1285, 76048), (1358, 71960), (1552, 62965), (1799, 54320), (1940, 50372), (1960, 49858), (2056, 47530), (2570, 38024), (2716, 35980), (3395, 28784), (3598, 27160), (3880, 25186), (3920, 24929), (4112, 23765), (4753, 20560), (5140, 19012), (5432, 17990), (6790, 14392), (7196, 13580), (7760, 12593), (8995, 10864), (9506, 10280)]