77727070

素因数分解:

$2^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{227}}^1\times {\mathrm{353}}^1$

素因数の和:684

約数の個数: 32

約数和(自身を含む): 142375968

約数和(自身を除く): 64648898

約数列:

[1, 2, 5, 10, 97, 194, 227, 353, 454, 485, 706, 970, 1135, 1765, 2270, 3530, 22019, 34241, 44038, 68482, 80131, 110095, 160262, 171205, 220190, 342410, 400655, 801310, 7772707, 15545414, 38863535, 77727070]

約数ペア:

[(1, 77727070), (2, 38863535), (5, 15545414), (10, 7772707), (97, 801310), (194, 400655), (227, 342410), (353, 220190), (454, 171205), (485, 160262), (706, 110095), (970, 80131), (1135, 68482), (1765, 44038), (2270, 34241), (3530, 22019)]