203400640

素因数分解:

$2^6\times 5^1\times {\mathrm{563}}^1\times {\mathrm{1129}}^1$

素因数の和:1709

約数の個数: 56

約数和(自身を含む): 485637840

約数和(自身を除く): 282237200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 563, 1126, 1129, 2252, 2258, 2815, 4504, 4516, 5630, 5645, 9008, 9032, 11260, 11290, 18016, 18064, 22520, 22580, 36032, 36128, 45040, 45160, 72256, 90080, 90320, 180160, 180640, 361280, 635627, 1271254, 2542508, 3178135, 5085016, 6356270, 10170032, 12712540, 20340064, 25425080, 40680128, 50850160, 101700320, 203400640]

約数ペア:

[(1, 203400640), (2, 101700320), (4, 50850160), (5, 40680128), (8, 25425080), (10, 20340064), (16, 12712540), (20, 10170032), (32, 6356270), (40, 5085016), (64, 3178135), (80, 2542508), (160, 1271254), (320, 635627), (563, 361280), (1126, 180640), (1129, 180160), (2252, 90320), (2258, 90080), (2815, 72256), (4504, 45160), (4516, 45040), (5630, 36128), (5645, 36032), (9008, 22580), (9032, 22520), (11260, 18064), (11290, 18016)]