90815890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{3637}}^1$

素因数の和:3882

約数の個数: 32

約数和(自身を含む): 179164224

約数和(自身を除く): 88348334

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 227, 454, 1135, 2270, 2497, 3637, 4994, 7274, 12485, 18185, 24970, 36370, 40007, 80014, 200035, 400070, 825599, 1651198, 4127995, 8255990, 9081589, 18163178, 45407945, 90815890]

約数ペア:

[(1, 90815890), (2, 45407945), (5, 18163178), (10, 9081589), (11, 8255990), (22, 4127995), (55, 1651198), (110, 825599), (227, 400070), (454, 200035), (1135, 80014), (2270, 40007), (2497, 36370), (3637, 24970), (4994, 18185), (7274, 12485)]