198403100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1$

素因数の和:316

約数の個数: 144

約数和(自身を含む): 522633216

約数和(自身を除く): 324230116

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 31, 35, 41, 50, 62, 70, 82, 100, 124, 140, 155, 164, 175, 205, 217, 223, 287, 310, 350, 410, 434, 446, 574, 620, 700, 775, 820, 868, 892, 1025, 1085, 1115, 1148, 1271, 1435, 1550, 1561, 2050, 2170, 2230, 2542, 2870, 3100, 3122, 4100, 4340, 4460, 5084, 5425, 5575, 5740, 6244, 6355, 6913, 7175, 7805, 8897, 9143, 10850, 11150, 12710, 13826, 14350, 15610, 17794, 18286, 21700, 22300, 25420, 27652, 28700, 31220, 31775, 34565, 35588, 36572, 39025, 44485, 45715, 48391, 63550, 64001, 69130, 78050, 88970, 91430, 96782, 127100, 128002, 138260, 156100, 172825, 177940, 182860, 193564, 222425, 228575, 241955, 256004, 283433, 320005, 345650, 444850, 457150, 483910, 566866, 640010, 691300, 889700, 914300, 967820, 1133732, 1209775, 1280020, 1417165, 1600025, 1984031, 2419550, 2834330, 3200050, 3968062, 4839100, 5668660, 6400100, 7085825, 7936124, 9920155, 14171650, 19840310, 28343300, 39680620, 49600775, 99201550, 198403100]

約数ペア:

[(1, 198403100), (2, 99201550), (4, 49600775), (5, 39680620), (7, 28343300), (10, 19840310), (14, 14171650), (20, 9920155), (25, 7936124), (28, 7085825), (31, 6400100), (35, 5668660), (41, 4839100), (50, 3968062), (62, 3200050), (70, 2834330), (82, 2419550), (100, 1984031), (124, 1600025), (140, 1417165), (155, 1280020), (164, 1209775), (175, 1133732), (205, 967820), (217, 914300), (223, 889700), (287, 691300), (310, 640010), (350, 566866), (410, 483910), (434, 457150), (446, 444850), (574, 345650), (620, 320005), (700, 283433), (775, 256004), (820, 241955), (868, 228575), (892, 222425), (1025, 193564), (1085, 182860), (1115, 177940), (1148, 172825), (1271, 156100), (1435, 138260), (1550, 128002), (1561, 127100), (2050, 96782), (2170, 91430), (2230, 88970), (2542, 78050), (2870, 69130), (3100, 64001), (3122, 63550), (4100, 48391), (4340, 45715), (4460, 44485), (5084, 39025), (5425, 36572), (5575, 35588), (5740, 34565), (6244, 31775), (6355, 31220), (6913, 28700), (7175, 27652), (7805, 25420), (8897, 22300), (9143, 21700), (10850, 18286), (11150, 17794), (12710, 15610), (13826, 14350)]