207964880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^3\times {\mathrm{379}}^1$

素因数の和:449

約数の個数: 80

約数和(自身を含む): 511723200

約数和(自身を除く): 303758320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 361, 379, 380, 722, 758, 760, 1444, 1516, 1520, 1805, 1895, 2888, 3032, 3610, 3790, 5776, 6064, 6859, 7201, 7220, 7580, 13718, 14402, 14440, 15160, 27436, 28804, 28880, 30320, 34295, 36005, 54872, 57608, 68590, 72010, 109744, 115216, 136819, 137180, 144020, 273638, 274360, 288040, 547276, 548720, 576080, 684095, 1094552, 1368190, 2189104, 2599561, 2736380, 5199122, 5472760, 10398244, 10945520, 12997805, 20796488, 25995610, 41592976, 51991220, 103982440, 207964880]

約数ペア:

[(1, 207964880), (2, 103982440), (4, 51991220), (5, 41592976), (8, 25995610), (10, 20796488), (16, 12997805), (19, 10945520), (20, 10398244), (38, 5472760), (40, 5199122), (76, 2736380), (80, 2599561), (95, 2189104), (152, 1368190), (190, 1094552), (304, 684095), (361, 576080), (379, 548720), (380, 547276), (722, 288040), (758, 274360), (760, 273638), (1444, 144020), (1516, 137180), (1520, 136819), (1805, 115216), (1895, 109744), (2888, 72010), (3032, 68590), (3610, 57608), (3790, 54872), (5776, 36005), (6064, 34295), (6859, 30320), (7201, 28880), (7220, 28804), (7580, 27436), (13718, 15160), (14402, 14440)]