257704230

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{175309}}^1$

素因数の和:175333

約数の個数: 48

約数和(自身を含む): 719472240

約数和(自身を除く): 461768010

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 175309, 350618, 525927, 876545, 1051854, 1227163, 1753090, 2454326, 2629635, 3681489, 5259270, 6135815, 7362978, 8590141, 12271630, 17180282, 18407445, 25770423, 36814890, 42950705, 51540846, 85901410, 128852115, 257704230]

約数ペア:

[(1, 257704230), (2, 128852115), (3, 85901410), (5, 51540846), (6, 42950705), (7, 36814890), (10, 25770423), (14, 18407445), (15, 17180282), (21, 12271630), (30, 8590141), (35, 7362978), (42, 6135815), (49, 5259270), (70, 3681489), (98, 2629635), (105, 2454326), (147, 1753090), (210, 1227163), (245, 1051854), (294, 876545), (490, 525927), (735, 350618), (1470, 175309)]