890271880

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{332191}}^1$

素因数の和:332269

約数の個数: 32

約数和(自身を含む): 2033015040

約数和(自身を除く): 1142743160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 332191, 664382, 1328764, 1660955, 2657528, 3321910, 6643820, 13287640, 22256797, 44513594, 89027188, 111283985, 178054376, 222567970, 445135940, 890271880]

約数ペア:

[(1, 890271880), (2, 445135940), (4, 222567970), (5, 178054376), (8, 111283985), (10, 89027188), (20, 44513594), (40, 22256797), (67, 13287640), (134, 6643820), (268, 3321910), (335, 2657528), (536, 1660955), (670, 1328764), (1340, 664382), (2680, 332191)]