201897290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{18371}}^1$

素因数の和:18542

約数の個数: 32

約数和(自身を含む): 417999744

約数和(自身を除く): 216102454

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 157, 314, 785, 1099, 1570, 2198, 5495, 10990, 18371, 36742, 91855, 128597, 183710, 257194, 642985, 1285970, 2884247, 5768494, 14421235, 20189729, 28842470, 40379458, 100948645, 201897290]

約数ペア:

[(1, 201897290), (2, 100948645), (5, 40379458), (7, 28842470), (10, 20189729), (14, 14421235), (35, 5768494), (70, 2884247), (157, 1285970), (314, 642985), (785, 257194), (1099, 183710), (1570, 128597), (2198, 91855), (5495, 36742), (10990, 18371)]