278227040

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1$

素因数の和:329

約数の個数: 192

約数和(自身を含む): 821487744

約数和(自身を除く): 543260704

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 70, 80, 91, 97, 104, 112, 130, 140, 160, 182, 194, 197, 208, 224, 260, 280, 364, 388, 394, 416, 455, 485, 520, 560, 679, 728, 776, 788, 910, 970, 985, 1040, 1120, 1261, 1358, 1379, 1456, 1552, 1576, 1820, 1940, 1970, 2080, 2522, 2561, 2716, 2758, 2912, 3104, 3152, 3395, 3640, 3880, 3940, 5044, 5122, 5432, 5516, 6304, 6305, 6790, 6895, 7280, 7760, 7880, 8827, 10088, 10244, 10864, 11032, 12610, 12805, 13580, 13790, 14560, 15520, 15760, 17654, 17927, 19109, 20176, 20488, 21728, 22064, 25220, 25610, 27160, 27580, 31520, 35308, 35854, 38218, 40352, 40976, 44128, 44135, 50440, 51220, 54320, 55160, 70616, 71708, 76436, 81952, 88270, 89635, 95545, 100880, 102440, 108640, 110320, 133763, 141232, 143416, 152872, 176540, 179270, 191090, 201760, 204880, 220640, 248417, 267526, 282464, 286832, 305744, 353080, 358540, 382180, 409760, 496834, 535052, 573664, 611488, 668815, 706160, 717080, 764360, 993668, 1070104, 1242085, 1337630, 1412320, 1434160, 1528720, 1738919, 1987336, 2140208, 2484170, 2675260, 2868320, 3057440, 3477838, 3974672, 4280416, 4968340, 5350520, 6955676, 7949344, 8694595, 9936680, 10701040, 13911352, 17389190, 19873360, 21402080, 27822704, 34778380, 39746720, 55645408, 69556760, 139113520, 278227040]

約数ペア:

[(1, 278227040), (2, 139113520), (4, 69556760), (5, 55645408), (7, 39746720), (8, 34778380), (10, 27822704), (13, 21402080), (14, 19873360), (16, 17389190), (20, 13911352), (26, 10701040), (28, 9936680), (32, 8694595), (35, 7949344), (40, 6955676), (52, 5350520), (56, 4968340), (65, 4280416), (70, 3974672), (80, 3477838), (91, 3057440), (97, 2868320), (104, 2675260), (112, 2484170), (130, 2140208), (140, 1987336), (160, 1738919), (182, 1528720), (194, 1434160), (197, 1412320), (208, 1337630), (224, 1242085), (260, 1070104), (280, 993668), (364, 764360), (388, 717080), (394, 706160), (416, 668815), (455, 611488), (485, 573664), (520, 535052), (560, 496834), (679, 409760), (728, 382180), (776, 358540), (788, 353080), (910, 305744), (970, 286832), (985, 282464), (1040, 267526), (1120, 248417), (1261, 220640), (1358, 204880), (1379, 201760), (1456, 191090), (1552, 179270), (1576, 176540), (1820, 152872), (1940, 143416), (1970, 141232), (2080, 133763), (2522, 110320), (2561, 108640), (2716, 102440), (2758, 100880), (2912, 95545), (3104, 89635), (3152, 88270), (3395, 81952), (3640, 76436), (3880, 71708), (3940, 70616), (5044, 55160), (5122, 54320), (5432, 51220), (5516, 50440), (6304, 44135), (6305, 44128), (6790, 40976), (6895, 40352), (7280, 38218), (7760, 35854), (7880, 35308), (8827, 31520), (10088, 27580), (10244, 27160), (10864, 25610), (11032, 25220), (12610, 22064), (12805, 21728), (13580, 20488), (13790, 20176), (14560, 19109), (15520, 17927), (15760, 17654)]