291284605420

素因数分解:

$2^2\times 5^1\times {\mathrm{509}}^1\times {\mathrm{28613419}}^1$

素因数の和:28613937

約数の個数: 24

約数和(自身を含む): 612899456400

約数和(自身を除く): 321614850980

約数列:

[1, 2, 4, 5, 10, 20, 509, 1018, 2036, 2545, 5090, 10180, 28613419, 57226838, 114453676, 143067095, 286134190, 572268380, 14564230271, 29128460542, 58256921084, 72821151355, 145642302710, 291284605420]

約数ペア:

[(1, 291284605420), (2, 145642302710), (4, 72821151355), (5, 58256921084), (10, 29128460542), (20, 14564230271), (509, 572268380), (1018, 286134190), (2036, 143067095), (2545, 114453676), (5090, 57226838), (10180, 28613419)]