490202272

素因数分解:

$2^5\times 7^2\times {\mathrm{199}}^1\times {\mathrm{1571}}^1$

素因数の和:1794

約数の個数: 72

約数和(自身を含む): 1129010400

約数和(自身を除く): 638808128

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 199, 224, 392, 398, 784, 796, 1393, 1568, 1571, 1592, 2786, 3142, 3184, 5572, 6284, 6368, 9751, 10997, 11144, 12568, 19502, 21994, 22288, 25136, 39004, 43988, 44576, 50272, 76979, 78008, 87976, 153958, 156016, 175952, 307916, 312032, 312629, 351904, 615832, 625258, 1231664, 1250516, 2188403, 2463328, 2501032, 4376806, 5002064, 8753612, 10004128, 15318821, 17507224, 30637642, 35014448, 61275284, 70028896, 122550568, 245101136, 490202272]

約数ペア:

[(1, 490202272), (2, 245101136), (4, 122550568), (7, 70028896), (8, 61275284), (14, 35014448), (16, 30637642), (28, 17507224), (32, 15318821), (49, 10004128), (56, 8753612), (98, 5002064), (112, 4376806), (196, 2501032), (199, 2463328), (224, 2188403), (392, 1250516), (398, 1231664), (784, 625258), (796, 615832), (1393, 351904), (1568, 312629), (1571, 312032), (1592, 307916), (2786, 175952), (3142, 156016), (3184, 153958), (5572, 87976), (6284, 78008), (6368, 76979), (9751, 50272), (10997, 44576), (11144, 43988), (12568, 39004), (19502, 25136), (21994, 22288)]