202194020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{9199}}^1$

素因数の和:9372

約数の個数: 48

約数和(自身を含む): 488409600

約数和(自身を除く): 286215580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 314, 628, 785, 1099, 1570, 2198, 3140, 4396, 5495, 9199, 10990, 18398, 21980, 36796, 45995, 64393, 91990, 128786, 183980, 257572, 321965, 643930, 1287860, 1444243, 2888486, 5776972, 7221215, 10109701, 14442430, 20219402, 28884860, 40438804, 50548505, 101097010, 202194020]

約数ペア:

[(1, 202194020), (2, 101097010), (4, 50548505), (5, 40438804), (7, 28884860), (10, 20219402), (14, 14442430), (20, 10109701), (28, 7221215), (35, 5776972), (70, 2888486), (140, 1444243), (157, 1287860), (314, 643930), (628, 321965), (785, 257572), (1099, 183980), (1570, 128786), (2198, 91990), (3140, 64393), (4396, 45995), (5495, 36796), (9199, 21980), (10990, 18398)]