291213747520

素因数分解:

$2^6\times 5^1\times {\mathrm{910042961}}^1$

素因数の和:910042978

約数の個数: 28

約数和(自身を含む): 693452737044

約数和(自身を除く): 402238989524

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 910042961, 1820085922, 3640171844, 4550214805, 7280343688, 9100429610, 14560687376, 18200859220, 29121374752, 36401718440, 58242749504, 72803436880, 145606873760, 291213747520]

約数ペア:

[(1, 291213747520), (2, 145606873760), (4, 72803436880), (5, 58242749504), (8, 36401718440), (10, 29121374752), (16, 18200859220), (20, 14560687376), (32, 9100429610), (40, 7280343688), (64, 4550214805), (80, 3640171844), (160, 1820085922), (320, 910042961)]