400539296

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{389}}^1\times {\mathrm{1399}}^1$

素因数の和:1821

約数の個数: 48

約数和(自身を含む): 825552000

約数和(自身を除く): 425012704

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 92, 184, 368, 389, 736, 778, 1399, 1556, 2798, 3112, 5596, 6224, 8947, 11192, 12448, 17894, 22384, 32177, 35788, 44768, 64354, 71576, 128708, 143152, 257416, 286304, 514832, 544211, 1029664, 1088422, 2176844, 4353688, 8707376, 12516853, 17414752, 25033706, 50067412, 100134824, 200269648, 400539296]

約数ペア:

[(1, 400539296), (2, 200269648), (4, 100134824), (8, 50067412), (16, 25033706), (23, 17414752), (32, 12516853), (46, 8707376), (92, 4353688), (184, 2176844), (368, 1088422), (389, 1029664), (736, 544211), (778, 514832), (1399, 286304), (1556, 257416), (2798, 143152), (3112, 128708), (5596, 71576), (6224, 64354), (8947, 44768), (11192, 35788), (12448, 32177), (17894, 22384)]