998823350

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{499}}^1$

素因数の和:587

約数の個数: 144

約数和(自身を含む): 2332440000

約数和(自身を除く): 1333616650

約数列:

[1, 2, 5, 7, 10, 14, 19, 25, 35, 38, 43, 49, 50, 70, 86, 95, 98, 133, 175, 190, 215, 245, 266, 301, 350, 430, 475, 490, 499, 602, 665, 817, 931, 950, 998, 1075, 1225, 1330, 1505, 1634, 1862, 2107, 2150, 2450, 2495, 3010, 3325, 3493, 4085, 4214, 4655, 4990, 5719, 6650, 6986, 7525, 8170, 9310, 9481, 10535, 11438, 12475, 15050, 17465, 18962, 20425, 21070, 21457, 23275, 24451, 24950, 28595, 34930, 40033, 40850, 42914, 46550, 47405, 48902, 52675, 57190, 66367, 80066, 87325, 94810, 105350, 107285, 122255, 132734, 142975, 150199, 174650, 200165, 214570, 237025, 244510, 285950, 300398, 331835, 400330, 407683, 464569, 474050, 536425, 611275, 663670, 750995, 815366, 929138, 1000825, 1051393, 1072850, 1222550, 1501990, 1659175, 2001650, 2038415, 2102786, 2322845, 2853781, 3318350, 3754975, 4076830, 4645690, 5256965, 5707562, 7509950, 10192075, 10513930, 11614225, 14268905, 19976467, 20384150, 23228450, 26284825, 28537810, 39952934, 52569650, 71344525, 99882335, 142689050, 199764670, 499411675, 998823350]

約数ペア:

[(1, 998823350), (2, 499411675), (5, 199764670), (7, 142689050), (10, 99882335), (14, 71344525), (19, 52569650), (25, 39952934), (35, 28537810), (38, 26284825), (43, 23228450), (49, 20384150), (50, 19976467), (70, 14268905), (86, 11614225), (95, 10513930), (98, 10192075), (133, 7509950), (175, 5707562), (190, 5256965), (215, 4645690), (245, 4076830), (266, 3754975), (301, 3318350), (350, 2853781), (430, 2322845), (475, 2102786), (490, 2038415), (499, 2001650), (602, 1659175), (665, 1501990), (817, 1222550), (931, 1072850), (950, 1051393), (998, 1000825), (1075, 929138), (1225, 815366), (1330, 750995), (1505, 663670), (1634, 611275), (1862, 536425), (2107, 474050), (2150, 464569), (2450, 407683), (2495, 400330), (3010, 331835), (3325, 300398), (3493, 285950), (4085, 244510), (4214, 237025), (4655, 214570), (4990, 200165), (5719, 174650), (6650, 150199), (6986, 142975), (7525, 132734), (8170, 122255), (9310, 107285), (9481, 105350), (10535, 94810), (11438, 87325), (12475, 80066), (15050, 66367), (17465, 57190), (18962, 52675), (20425, 48902), (21070, 47405), (21457, 46550), (23275, 42914), (24451, 40850), (24950, 40033), (28595, 34930)]