251019090

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{12853}}^1$

素因数の和:12904

約数の個数: 96

約数和(自身を含む): 770006016

約数和(自身を除く): 518986926

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 31, 35, 42, 45, 62, 63, 70, 90, 93, 105, 126, 155, 186, 210, 217, 279, 310, 315, 434, 465, 558, 630, 651, 930, 1085, 1302, 1395, 1953, 2170, 2790, 3255, 3906, 6510, 9765, 12853, 19530, 25706, 38559, 64265, 77118, 89971, 115677, 128530, 179942, 192795, 231354, 269913, 385590, 398443, 449855, 539826, 578385, 796886, 809739, 899710, 1156770, 1195329, 1349565, 1619478, 1992215, 2390658, 2699130, 2789101, 3585987, 3984430, 4048695, 5578202, 5976645, 7171974, 8097390, 8367303, 11953290, 13945505, 16734606, 17929935, 25101909, 27891010, 35859870, 41836515, 50203818, 83673030, 125509545, 251019090]

約数ペア:

[(1, 251019090), (2, 125509545), (3, 83673030), (5, 50203818), (6, 41836515), (7, 35859870), (9, 27891010), (10, 25101909), (14, 17929935), (15, 16734606), (18, 13945505), (21, 11953290), (30, 8367303), (31, 8097390), (35, 7171974), (42, 5976645), (45, 5578202), (62, 4048695), (63, 3984430), (70, 3585987), (90, 2789101), (93, 2699130), (105, 2390658), (126, 1992215), (155, 1619478), (186, 1349565), (210, 1195329), (217, 1156770), (279, 899710), (310, 809739), (315, 796886), (434, 578385), (465, 539826), (558, 449855), (630, 398443), (651, 385590), (930, 269913), (1085, 231354), (1302, 192795), (1395, 179942), (1953, 128530), (2170, 115677), (2790, 89971), (3255, 77118), (3906, 64265), (6510, 38559), (9765, 25706), (12853, 19530)]