200289020

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{173}}^1\times {\mathrm{541}}^1$

素因数の和:830

約数の個数: 48

約数和(自身を含む): 427781088

約数和(自身を除く): 227492068

約数列:

[1, 2, 4, 5, 10, 20, 107, 173, 214, 346, 428, 535, 541, 692, 865, 1070, 1082, 1730, 2140, 2164, 2705, 3460, 5410, 10820, 18511, 37022, 57887, 74044, 92555, 93593, 115774, 185110, 187186, 231548, 289435, 370220, 374372, 467965, 578870, 935930, 1157740, 1871860, 10014451, 20028902, 40057804, 50072255, 100144510, 200289020]

約数ペア:

[(1, 200289020), (2, 100144510), (4, 50072255), (5, 40057804), (10, 20028902), (20, 10014451), (107, 1871860), (173, 1157740), (214, 935930), (346, 578870), (428, 467965), (535, 374372), (541, 370220), (692, 289435), (865, 231548), (1070, 187186), (1082, 185110), (1730, 115774), (2140, 93593), (2164, 92555), (2705, 74044), (3460, 57887), (5410, 37022), (10820, 18511)]