17142940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{229}}^1$

素因数の和:454

約数の個数: 48

約数和(自身を含む): 38253600

約数和(自身を除く): 21110660

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 197, 229, 380, 394, 458, 788, 916, 985, 1145, 1970, 2290, 3743, 3940, 4351, 4580, 7486, 8702, 14972, 17404, 18715, 21755, 37430, 43510, 45113, 74860, 87020, 90226, 180452, 225565, 451130, 857147, 902260, 1714294, 3428588, 4285735, 8571470, 17142940]

約数ペア:

[(1, 17142940), (2, 8571470), (4, 4285735), (5, 3428588), (10, 1714294), (19, 902260), (20, 857147), (38, 451130), (76, 225565), (95, 180452), (190, 90226), (197, 87020), (229, 74860), (380, 45113), (394, 43510), (458, 37430), (788, 21755), (916, 18715), (985, 17404), (1145, 14972), (1970, 8702), (2290, 7486), (3743, 4580), (3940, 4351)]