56450140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{997}}^1$

素因数の和:1174

約数の個数: 48

約数和(自身を含む): 125748000

約数和(自身を除く): 69297860

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 149, 190, 298, 380, 596, 745, 997, 1490, 1994, 2831, 2980, 3988, 4985, 5662, 9970, 11324, 14155, 18943, 19940, 28310, 37886, 56620, 75772, 94715, 148553, 189430, 297106, 378860, 594212, 742765, 1485530, 2822507, 2971060, 5645014, 11290028, 14112535, 28225070, 56450140]

約数ペア:

[(1, 56450140), (2, 28225070), (4, 14112535), (5, 11290028), (10, 5645014), (19, 2971060), (20, 2822507), (38, 1485530), (76, 742765), (95, 594212), (149, 378860), (190, 297106), (298, 189430), (380, 148553), (596, 94715), (745, 75772), (997, 56620), (1490, 37886), (1994, 28310), (2831, 19940), (2980, 18943), (3988, 14155), (4985, 11324), (5662, 9970)]