17396540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{397}}^1$

素因数の和:726

約数の個数: 48

約数和(自身を含む): 41990592

約数和(自身を除く): 24594052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 313, 397, 626, 794, 1252, 1565, 1588, 1985, 2191, 2779, 3130, 3970, 4382, 5558, 6260, 7940, 8764, 10955, 11116, 13895, 21910, 27790, 43820, 55580, 124261, 248522, 497044, 621305, 869827, 1242610, 1739654, 2485220, 3479308, 4349135, 8698270, 17396540]

約数ペア:

[(1, 17396540), (2, 8698270), (4, 4349135), (5, 3479308), (7, 2485220), (10, 1739654), (14, 1242610), (20, 869827), (28, 621305), (35, 497044), (70, 248522), (140, 124261), (313, 55580), (397, 43820), (626, 27790), (794, 21910), (1252, 13895), (1565, 11116), (1588, 10955), (1985, 8764), (2191, 7940), (2779, 6260), (3130, 5558), (3970, 4382)]