128268700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:332

約数の個数: 144

約数和(自身を含む): 343977984

約数和(自身を除く): 215709284

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 25, 28, 31, 35, 46, 50, 62, 70, 92, 100, 115, 124, 140, 155, 161, 175, 217, 230, 257, 310, 322, 350, 434, 460, 514, 575, 620, 644, 700, 713, 775, 805, 868, 1028, 1085, 1150, 1285, 1426, 1550, 1610, 1799, 2170, 2300, 2570, 2852, 3100, 3220, 3565, 3598, 4025, 4340, 4991, 5140, 5425, 5911, 6425, 7130, 7196, 7967, 8050, 8995, 9982, 10850, 11822, 12850, 14260, 15934, 16100, 17825, 17990, 19964, 21700, 23644, 24955, 25700, 29555, 31868, 35650, 35980, 39835, 41377, 44975, 49910, 55769, 59110, 71300, 79670, 82754, 89950, 99820, 111538, 118220, 124775, 147775, 159340, 165508, 179900, 183241, 199175, 206885, 223076, 249550, 278845, 295550, 366482, 398350, 413770, 499100, 557690, 591100, 732964, 796700, 827540, 916205, 1034425, 1115380, 1282687, 1394225, 1832410, 2068850, 2565374, 2788450, 3664820, 4137700, 4581025, 5130748, 5576900, 6413435, 9162050, 12826870, 18324100, 25653740, 32067175, 64134350, 128268700]

約数ペア:

[(1, 128268700), (2, 64134350), (4, 32067175), (5, 25653740), (7, 18324100), (10, 12826870), (14, 9162050), (20, 6413435), (23, 5576900), (25, 5130748), (28, 4581025), (31, 4137700), (35, 3664820), (46, 2788450), (50, 2565374), (62, 2068850), (70, 1832410), (92, 1394225), (100, 1282687), (115, 1115380), (124, 1034425), (140, 916205), (155, 827540), (161, 796700), (175, 732964), (217, 591100), (230, 557690), (257, 499100), (310, 413770), (322, 398350), (350, 366482), (434, 295550), (460, 278845), (514, 249550), (575, 223076), (620, 206885), (644, 199175), (700, 183241), (713, 179900), (775, 165508), (805, 159340), (868, 147775), (1028, 124775), (1085, 118220), (1150, 111538), (1285, 99820), (1426, 89950), (1550, 82754), (1610, 79670), (1799, 71300), (2170, 59110), (2300, 55769), (2570, 49910), (2852, 44975), (3100, 41377), (3220, 39835), (3565, 35980), (3598, 35650), (4025, 31868), (4340, 29555), (4991, 25700), (5140, 24955), (5425, 23644), (5911, 21700), (6425, 19964), (7130, 17990), (7196, 17825), (7967, 16100), (8050, 15934), (8995, 14260), (9982, 12850), (10850, 11822)]