69727940

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{911}}^1$

素因数の和:1052

約数の個数: 48

約数和(自身を含む): 151683840

約数和(自身を除く): 81955900

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 89, 172, 178, 215, 356, 430, 445, 860, 890, 911, 1780, 1822, 3644, 3827, 4555, 7654, 9110, 15308, 18220, 19135, 38270, 39173, 76540, 78346, 81079, 156692, 162158, 195865, 324316, 391730, 405395, 783460, 810790, 1621580, 3486397, 6972794, 13945588, 17431985, 34863970, 69727940]

約数ペア:

[(1, 69727940), (2, 34863970), (4, 17431985), (5, 13945588), (10, 6972794), (20, 3486397), (43, 1621580), (86, 810790), (89, 783460), (172, 405395), (178, 391730), (215, 324316), (356, 195865), (430, 162158), (445, 156692), (860, 81079), (890, 78346), (911, 76540), (1780, 39173), (1822, 38270), (3644, 19135), (3827, 18220), (4555, 15308), (7654, 9110)]