91454620

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1\times {\mathrm{269}}^1$

素因数の和:558

約数の個数: 48

約数和(自身を含む): 195955200

約数和(自身を除く): 104500580

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 191, 269, 356, 382, 445, 538, 764, 890, 955, 1076, 1345, 1780, 1910, 2690, 3820, 5380, 16999, 23941, 33998, 47882, 51379, 67996, 84995, 95764, 102758, 119705, 169990, 205516, 239410, 256895, 339980, 478820, 513790, 1027580, 4572731, 9145462, 18290924, 22863655, 45727310, 91454620]

約数ペア:

[(1, 91454620), (2, 45727310), (4, 22863655), (5, 18290924), (10, 9145462), (20, 4572731), (89, 1027580), (178, 513790), (191, 478820), (269, 339980), (356, 256895), (382, 239410), (445, 205516), (538, 169990), (764, 119705), (890, 102758), (955, 95764), (1076, 84995), (1345, 67996), (1780, 51379), (1910, 47882), (2690, 33998), (3820, 23941), (5380, 16999)]