320409968

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{223}}^1\times {\mathrm{1009}}^1$

素因数の和:1329

約数の個数: 40

約数和(自身を含む): 631209600

約数和(自身を除く): 310799632

約数列:

[1, 2, 4, 8, 16, 89, 178, 223, 356, 446, 712, 892, 1009, 1424, 1784, 2018, 3568, 4036, 8072, 16144, 19847, 39694, 79388, 89801, 158776, 179602, 225007, 317552, 359204, 450014, 718408, 900028, 1436816, 1800056, 3600112, 20025623, 40051246, 80102492, 160204984, 320409968]

約数ペア:

[(1, 320409968), (2, 160204984), (4, 80102492), (8, 40051246), (16, 20025623), (89, 3600112), (178, 1800056), (223, 1436816), (356, 900028), (446, 718408), (712, 450014), (892, 359204), (1009, 317552), (1424, 225007), (1784, 179602), (2018, 158776), (3568, 89801), (4036, 79388), (8072, 39694), (16144, 19847)]