90549850

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1109}}^1$

素因数の和:1215

約数の個数: 48

約数和(自身を含む): 178381440

約数和(自身を除く): 87831590

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 71, 115, 142, 230, 355, 575, 710, 1109, 1150, 1633, 1775, 2218, 3266, 3550, 5545, 8165, 11090, 16330, 25507, 27725, 40825, 51014, 55450, 78739, 81650, 127535, 157478, 255070, 393695, 637675, 787390, 1275350, 1810997, 1968475, 3621994, 3936950, 9054985, 18109970, 45274925, 90549850]

約数ペア:

[(1, 90549850), (2, 45274925), (5, 18109970), (10, 9054985), (23, 3936950), (25, 3621994), (46, 1968475), (50, 1810997), (71, 1275350), (115, 787390), (142, 637675), (230, 393695), (355, 255070), (575, 157478), (710, 127535), (1109, 81650), (1150, 78739), (1633, 55450), (1775, 51014), (2218, 40825), (3266, 27725), (3550, 25507), (5545, 16330), (8165, 11090)]