890346590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{233}}^1\times {\mathrm{691}}^1$

素因数の和:1017

約数の個数: 64

約数和(自身を含む): 1865410560

約数和(自身を除く): 975063970

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 79, 158, 233, 395, 466, 553, 691, 790, 1106, 1165, 1382, 1631, 2330, 2765, 3262, 3455, 4837, 5530, 6910, 8155, 9674, 16310, 18407, 24185, 36814, 48370, 54589, 92035, 109178, 128849, 161003, 184070, 257698, 272945, 322006, 382123, 545890, 644245, 764246, 805015, 1127021, 1288490, 1610030, 1910615, 2254042, 3821230, 5635105, 11270210, 12719237, 25438474, 63596185, 89034659, 127192370, 178069318, 445173295, 890346590]

約数ペア:

[(1, 890346590), (2, 445173295), (5, 178069318), (7, 127192370), (10, 89034659), (14, 63596185), (35, 25438474), (70, 12719237), (79, 11270210), (158, 5635105), (233, 3821230), (395, 2254042), (466, 1910615), (553, 1610030), (691, 1288490), (790, 1127021), (1106, 805015), (1165, 764246), (1382, 644245), (1631, 545890), (2330, 382123), (2765, 322006), (3262, 272945), (3455, 257698), (4837, 184070), (5530, 161003), (6910, 128849), (8155, 109178), (9674, 92035), (16310, 54589), (18407, 48370), (24185, 36814)]