203673890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{415661}}^1$

素因数の和:415682

約数の個数: 24

約数和(自身を含む): 426469212

約数和(自身を除く): 222795322

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 415661, 831322, 2078305, 2909627, 4156610, 5819254, 14548135, 20367389, 29096270, 40734778, 101836945, 203673890]

約数ペア:

[(1, 203673890), (2, 101836945), (5, 40734778), (7, 29096270), (10, 20367389), (14, 14548135), (35, 5819254), (49, 4156610), (70, 2909627), (98, 2078305), (245, 831322), (490, 415661)]