2017199980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{1123}}^1$

素因数の和:1343

約数の個数: 96

約数和(自身を含む): 4645267200

約数和(自身を除く): 2628067220

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 95, 116, 145, 163, 190, 290, 326, 380, 551, 580, 652, 815, 1102, 1123, 1630, 2204, 2246, 2755, 3097, 3260, 4492, 4727, 5510, 5615, 6194, 9454, 11020, 11230, 12388, 15485, 18908, 21337, 22460, 23635, 30970, 32567, 42674, 47270, 61940, 65134, 85348, 89813, 94540, 106685, 130268, 162835, 179626, 183049, 213370, 325670, 359252, 366098, 426740, 449065, 618773, 651340, 732196, 898130, 915245, 1237546, 1796260, 1830490, 2475092, 3093865, 3477931, 3660980, 5308421, 6187730, 6955862, 10616842, 12375460, 13911724, 17389655, 21233684, 26542105, 34779310, 53084210, 69558620, 100859999, 106168420, 201719998, 403439996, 504299995, 1008599990, 2017199980]

約数ペア:

[(1, 2017199980), (2, 1008599990), (4, 504299995), (5, 403439996), (10, 201719998), (19, 106168420), (20, 100859999), (29, 69558620), (38, 53084210), (58, 34779310), (76, 26542105), (95, 21233684), (116, 17389655), (145, 13911724), (163, 12375460), (190, 10616842), (290, 6955862), (326, 6187730), (380, 5308421), (551, 3660980), (580, 3477931), (652, 3093865), (815, 2475092), (1102, 1830490), (1123, 1796260), (1630, 1237546), (2204, 915245), (2246, 898130), (2755, 732196), (3097, 651340), (3260, 618773), (4492, 449065), (4727, 426740), (5510, 366098), (5615, 359252), (6194, 325670), (9454, 213370), (11020, 183049), (11230, 179626), (12388, 162835), (15485, 130268), (18908, 106685), (21337, 94540), (22460, 89813), (23635, 85348), (30970, 65134), (32567, 61940), (42674, 47270)]