1900490420

素因数分解:

$2^2\times 5^1\times {\mathrm{1861}}^1\times {\mathrm{51061}}^1$

素因数の和:52931

約数の個数: 24

約数和(自身を含む): 3993252648

約数和(自身を除く): 2092762228

約数列:

[1, 2, 4, 5, 10, 20, 1861, 3722, 7444, 9305, 18610, 37220, 51061, 102122, 204244, 255305, 510610, 1021220, 95024521, 190049042, 380098084, 475122605, 950245210, 1900490420]

約数ペア:

[(1, 1900490420), (2, 950245210), (4, 475122605), (5, 380098084), (10, 190049042), (20, 95024521), (1861, 1021220), (3722, 510610), (7444, 255305), (9305, 204244), (18610, 102122), (37220, 51061)]