919520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{821}}^1$

素因数の和:843

約数の個数: 48

約数和(自身を含む): 2485728

約数和(自身を除く): 1566208

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 821, 1120, 1642, 3284, 4105, 5747, 6568, 8210, 11494, 13136, 16420, 22988, 26272, 28735, 32840, 45976, 57470, 65680, 91952, 114940, 131360, 183904, 229880, 459760, 919520]

約数ペア:

[(1, 919520), (2, 459760), (4, 229880), (5, 183904), (7, 131360), (8, 114940), (10, 91952), (14, 65680), (16, 57470), (20, 45976), (28, 32840), (32, 28735), (35, 26272), (40, 22988), (56, 16420), (70, 13136), (80, 11494), (112, 8210), (140, 6568), (160, 5747), (224, 4105), (280, 3284), (560, 1642), (821, 1120)]