201239180

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{271}}^1\times {\mathrm{347}}^1$

素因数の和:734

約数の個数: 48

約数和(自身を含む): 429359616

約数和(自身を除く): 228120436

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 271, 347, 428, 535, 542, 694, 1070, 1084, 1355, 1388, 1735, 2140, 2710, 3470, 5420, 6940, 28997, 37129, 57994, 74258, 94037, 115988, 144985, 148516, 185645, 188074, 289970, 371290, 376148, 470185, 579940, 742580, 940370, 1880740, 10061959, 20123918, 40247836, 50309795, 100619590, 201239180]

約数ペア:

[(1, 201239180), (2, 100619590), (4, 50309795), (5, 40247836), (10, 20123918), (20, 10061959), (107, 1880740), (214, 940370), (271, 742580), (347, 579940), (428, 470185), (535, 376148), (542, 371290), (694, 289970), (1070, 188074), (1084, 185645), (1355, 148516), (1388, 144985), (1735, 115988), (2140, 94037), (2710, 74258), (3470, 57994), (5420, 37129), (6940, 28997)]