428045480

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{110321}}^1$

素因数の和:110429

約数の個数: 32

約数和(自身を含む): 973040040

約数和(自身を除く): 544994560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 110321, 220642, 441284, 551605, 882568, 1103210, 2206420, 4412840, 10701137, 21402274, 42804548, 53505685, 85609096, 107011370, 214022740, 428045480]

約数ペア:

[(1, 428045480), (2, 214022740), (4, 107011370), (5, 85609096), (8, 53505685), (10, 42804548), (20, 21402274), (40, 10701137), (97, 4412840), (194, 2206420), (388, 1103210), (485, 882568), (776, 551605), (970, 441284), (1940, 220642), (3880, 110321)]