204570910

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{8219}}^1$

素因数の和:8376

約数の個数: 32

約数和(自身を含む): 390614400

約数和(自身を除く): 186043490

約数列:

[1, 2, 5, 10, 19, 38, 95, 131, 190, 262, 655, 1310, 2489, 4978, 8219, 12445, 16438, 24890, 41095, 82190, 156161, 312322, 780805, 1076689, 1561610, 2153378, 5383445, 10766890, 20457091, 40914182, 102285455, 204570910]

約数ペア:

[(1, 204570910), (2, 102285455), (5, 40914182), (10, 20457091), (19, 10766890), (38, 5383445), (95, 2153378), (131, 1561610), (190, 1076689), (262, 780805), (655, 312322), (1310, 156161), (2489, 82190), (4978, 41095), (8219, 24890), (12445, 16438)]