278747350

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1117}}^1$

素因数の和:1190

約数の個数: 96

約数和(自身を含む): 638816256

約数和(自身を除く): 360068906

約数列:

[1, 2, 5, 7, 10, 14, 23, 25, 31, 35, 46, 50, 62, 70, 115, 155, 161, 175, 217, 230, 310, 322, 350, 434, 575, 713, 775, 805, 1085, 1117, 1150, 1426, 1550, 1610, 2170, 2234, 3565, 4025, 4991, 5425, 5585, 7130, 7819, 8050, 9982, 10850, 11170, 15638, 17825, 24955, 25691, 27925, 34627, 35650, 39095, 49910, 51382, 55850, 69254, 78190, 124775, 128455, 173135, 179837, 195475, 242389, 249550, 256910, 346270, 359674, 390950, 484778, 642275, 796421, 865675, 899185, 1211945, 1284550, 1592842, 1731350, 1798370, 2423890, 3982105, 4495925, 5574947, 6059725, 7964210, 8991850, 11149894, 12119450, 19910525, 27874735, 39821050, 55749470, 139373675, 278747350]

約数ペア:

[(1, 278747350), (2, 139373675), (5, 55749470), (7, 39821050), (10, 27874735), (14, 19910525), (23, 12119450), (25, 11149894), (31, 8991850), (35, 7964210), (46, 6059725), (50, 5574947), (62, 4495925), (70, 3982105), (115, 2423890), (155, 1798370), (161, 1731350), (175, 1592842), (217, 1284550), (230, 1211945), (310, 899185), (322, 865675), (350, 796421), (434, 642275), (575, 484778), (713, 390950), (775, 359674), (805, 346270), (1085, 256910), (1117, 249550), (1150, 242389), (1426, 195475), (1550, 179837), (1610, 173135), (2170, 128455), (2234, 124775), (3565, 78190), (4025, 69254), (4991, 55850), (5425, 51382), (5585, 49910), (7130, 39095), (7819, 35650), (8050, 34627), (9982, 27925), (10850, 25691), (11170, 24955), (15638, 17825)]