203489240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{267749}}^1$

素因数の和:267779

約数の個数: 32

約数和(自身を含む): 481950000

約数和(自身を除く): 278460760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 267749, 535498, 1070996, 1338745, 2141992, 2677490, 5087231, 5354980, 10174462, 10709960, 20348924, 25436155, 40697848, 50872310, 101744620, 203489240]

約数ペア:

[(1, 203489240), (2, 101744620), (4, 50872310), (5, 40697848), (8, 25436155), (10, 20348924), (19, 10709960), (20, 10174462), (38, 5354980), (40, 5087231), (76, 2677490), (95, 2141992), (152, 1338745), (190, 1070996), (380, 535498), (760, 267749)]