38487820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{653}}^1$

素因数の和:1090

約数の個数: 48

約数和(自身を含む): 92731968

約数和(自身を除く): 54244148

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 421, 653, 842, 1306, 1684, 2105, 2612, 2947, 3265, 4210, 4571, 5894, 6530, 8420, 9142, 11788, 13060, 14735, 18284, 22855, 29470, 45710, 58940, 91420, 274913, 549826, 1099652, 1374565, 1924391, 2749130, 3848782, 5498260, 7697564, 9621955, 19243910, 38487820]

約数ペア:

[(1, 38487820), (2, 19243910), (4, 9621955), (5, 7697564), (7, 5498260), (10, 3848782), (14, 2749130), (20, 1924391), (28, 1374565), (35, 1099652), (70, 549826), (140, 274913), (421, 91420), (653, 58940), (842, 45710), (1306, 29470), (1684, 22855), (2105, 18284), (2612, 14735), (2947, 13060), (3265, 11788), (4210, 9142), (4571, 8420), (5894, 6530)]