1389850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2$

素因数の和:68

約数の個数: 72

約数和(自身を含む): 3401568

約数和(自身を除く): 2011718

約数列:

[1, 2, 5, 7, 10, 11, 14, 19, 22, 25, 35, 38, 50, 55, 70, 77, 95, 110, 133, 154, 175, 190, 209, 266, 275, 350, 361, 385, 418, 475, 550, 665, 722, 770, 950, 1045, 1330, 1463, 1805, 1925, 2090, 2527, 2926, 3325, 3610, 3850, 3971, 5054, 5225, 6650, 7315, 7942, 9025, 10450, 12635, 14630, 18050, 19855, 25270, 27797, 36575, 39710, 55594, 63175, 73150, 99275, 126350, 138985, 198550, 277970, 694925, 1389850]

約数ペア:

[(1, 1389850), (2, 694925), (5, 277970), (7, 198550), (10, 138985), (11, 126350), (14, 99275), (19, 73150), (22, 63175), (25, 55594), (35, 39710), (38, 36575), (50, 27797), (55, 25270), (70, 19855), (77, 18050), (95, 14630), (110, 12635), (133, 10450), (154, 9025), (175, 7942), (190, 7315), (209, 6650), (266, 5225), (275, 5054), (350, 3971), (361, 3850), (385, 3610), (418, 3325), (475, 2926), (550, 2527), (665, 2090), (722, 1925), (770, 1805), (950, 1463), (1045, 1330)]