1808300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^2\times {\mathrm{107}}^1$

素因数の和:147

約数の個数: 54

約数和(自身を含む): 4288788

約数和(自身を除く): 2480488

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 107, 130, 169, 214, 260, 325, 338, 428, 535, 650, 676, 845, 1070, 1300, 1391, 1690, 2140, 2675, 2782, 3380, 4225, 5350, 5564, 6955, 8450, 10700, 13910, 16900, 18083, 27820, 34775, 36166, 69550, 72332, 90415, 139100, 180830, 361660, 452075, 904150, 1808300]

約数ペア:

[(1, 1808300), (2, 904150), (4, 452075), (5, 361660), (10, 180830), (13, 139100), (20, 90415), (25, 72332), (26, 69550), (50, 36166), (52, 34775), (65, 27820), (100, 18083), (107, 16900), (130, 13910), (169, 10700), (214, 8450), (260, 6955), (325, 5564), (338, 5350), (428, 4225), (535, 3380), (650, 2782), (676, 2675), (845, 2140), (1070, 1690), (1300, 1391)]