54409430

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1\times {\mathrm{389}}^1$

素因数の和:664

約数の個数: 32

約数和(自身を含む): 100077120

約数和(自身を除く): 45667690

約数列:

[1, 2, 5, 10, 71, 142, 197, 355, 389, 394, 710, 778, 985, 1945, 1970, 3890, 13987, 27619, 27974, 55238, 69935, 76633, 138095, 139870, 153266, 276190, 383165, 766330, 5440943, 10881886, 27204715, 54409430]

約数ペア:

[(1, 54409430), (2, 27204715), (5, 10881886), (10, 5440943), (71, 766330), (142, 383165), (197, 276190), (355, 153266), (389, 139870), (394, 138095), (710, 76633), (778, 69935), (985, 55238), (1945, 27974), (1970, 27619), (3890, 13987)]