201990021128

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{683}}^1\times {\mathrm{112363}}^1$

素因数の和:113106

約数の個数: 64

約数和(自身を含む): 442696181760

約数和(自身を除く): 240706160632

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 56, 94, 188, 329, 376, 658, 683, 1316, 1366, 2632, 2732, 4781, 5464, 9562, 19124, 32101, 38248, 64202, 112363, 128404, 224707, 224726, 256808, 449414, 449452, 786541, 898828, 898904, 1573082, 1797656, 3146164, 5281061, 6292328, 10562122, 21124244, 36967427, 42248488, 73934854, 76743929, 147869708, 153487858, 295739416, 306975716, 537207503, 613951432, 1074415006, 2148830012, 3606964663, 4297660024, 7213929326, 14427858652, 25248752641, 28855717304, 50497505282, 100995010564, 201990021128]

約数ペア:

[(1, 201990021128), (2, 100995010564), (4, 50497505282), (7, 28855717304), (8, 25248752641), (14, 14427858652), (28, 7213929326), (47, 4297660024), (56, 3606964663), (94, 2148830012), (188, 1074415006), (329, 613951432), (376, 537207503), (658, 306975716), (683, 295739416), (1316, 153487858), (1366, 147869708), (2632, 76743929), (2732, 73934854), (4781, 42248488), (5464, 36967427), (9562, 21124244), (19124, 10562122), (32101, 6292328), (38248, 5281061), (64202, 3146164), (112363, 1797656), (128404, 1573082), (224707, 898904), (224726, 898828), (256808, 786541), (449414, 449452)]