308247920

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{54269}}^1$

素因数の和:54353

約数の個数: 40

約数和(自身を含む): 726783840

約数和(自身を除く): 418535920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 54269, 108538, 217076, 271345, 434152, 542690, 868304, 1085380, 2170760, 3853099, 4341520, 7706198, 15412396, 19265495, 30824792, 38530990, 61649584, 77061980, 154123960, 308247920]

約数ペア:

[(1, 308247920), (2, 154123960), (4, 77061980), (5, 61649584), (8, 38530990), (10, 30824792), (16, 19265495), (20, 15412396), (40, 7706198), (71, 4341520), (80, 3853099), (142, 2170760), (284, 1085380), (355, 868304), (568, 542690), (710, 434152), (1136, 271345), (1420, 217076), (2840, 108538), (5680, 54269)]