274621960

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{77141}}^1$

素因数の和:77241

約数の個数: 32

約数和(自身を含む): 624850200

約数和(自身を除く): 350228240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 77141, 154282, 308564, 385705, 617128, 771410, 1542820, 3085640, 6865549, 13731098, 27462196, 34327745, 54924392, 68655490, 137310980, 274621960]

約数ペア:

[(1, 274621960), (2, 137310980), (4, 68655490), (5, 54924392), (8, 34327745), (10, 27462196), (20, 13731098), (40, 6865549), (89, 3085640), (178, 1542820), (356, 771410), (445, 617128), (712, 385705), (890, 308564), (1780, 154282), (3560, 77141)]