1293318140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{12491}}^1$

素因数の和:12698

約数の個数: 48

約数和(自身を含む): 2820593664

約数和(自身を除く): 1527275524

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 167, 310, 334, 620, 668, 835, 1670, 3340, 5177, 10354, 12491, 20708, 24982, 25885, 49964, 51770, 62455, 103540, 124910, 249820, 387221, 774442, 1548884, 1936105, 2085997, 3872210, 4171994, 7744420, 8343988, 10429985, 20859970, 41719940, 64665907, 129331814, 258663628, 323329535, 646659070, 1293318140]

約数ペア:

[(1, 1293318140), (2, 646659070), (4, 323329535), (5, 258663628), (10, 129331814), (20, 64665907), (31, 41719940), (62, 20859970), (124, 10429985), (155, 8343988), (167, 7744420), (310, 4171994), (334, 3872210), (620, 2085997), (668, 1936105), (835, 1548884), (1670, 774442), (3340, 387221), (5177, 249820), (10354, 124910), (12491, 103540), (20708, 62455), (24982, 51770), (25885, 49964)]