17717980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{467}}^1$

素因数の和:754

約数の個数: 48

約数和(自身を含む): 42771456

約数和(自身を除く): 25053476

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 271, 467, 542, 934, 1084, 1355, 1868, 1897, 2335, 2710, 3269, 3794, 4670, 5420, 6538, 7588, 9340, 9485, 13076, 16345, 18970, 32690, 37940, 65380, 126557, 253114, 506228, 632785, 885899, 1265570, 1771798, 2531140, 3543596, 4429495, 8858990, 17717980]

約数ペア:

[(1, 17717980), (2, 8858990), (4, 4429495), (5, 3543596), (7, 2531140), (10, 1771798), (14, 1265570), (20, 885899), (28, 632785), (35, 506228), (70, 253114), (140, 126557), (271, 65380), (467, 37940), (542, 32690), (934, 18970), (1084, 16345), (1355, 13076), (1868, 9485), (1897, 9340), (2335, 7588), (2710, 6538), (3269, 5420), (3794, 4670)]