20151130

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1\times {\mathrm{197}}^1$

素因数の和:450

約数の個数: 32

約数和(自身を含む): 37336464

約数和(自身を除く): 17185334

約数列:

[1, 2, 5, 10, 53, 106, 193, 197, 265, 386, 394, 530, 965, 985, 1930, 1970, 10229, 10441, 20458, 20882, 38021, 51145, 52205, 76042, 102290, 104410, 190105, 380210, 2015113, 4030226, 10075565, 20151130]

約数ペア:

[(1, 20151130), (2, 10075565), (5, 4030226), (10, 2015113), (53, 380210), (106, 190105), (193, 104410), (197, 102290), (265, 76042), (386, 52205), (394, 51145), (530, 38021), (965, 20882), (985, 20458), (1930, 10441), (1970, 10229)]