54719980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{1453}}^1$

素因数の和:1738

約数の個数: 48

約数和(自身を含む): 131906880

約数和(自身を除く): 77186900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 269, 538, 1076, 1345, 1453, 1883, 2690, 2906, 3766, 5380, 5812, 7265, 7532, 9415, 10171, 14530, 18830, 20342, 29060, 37660, 40684, 50855, 101710, 203420, 390857, 781714, 1563428, 1954285, 2735999, 3908570, 5471998, 7817140, 10943996, 13679995, 27359990, 54719980]

約数ペア:

[(1, 54719980), (2, 27359990), (4, 13679995), (5, 10943996), (7, 7817140), (10, 5471998), (14, 3908570), (20, 2735999), (28, 1954285), (35, 1563428), (70, 781714), (140, 390857), (269, 203420), (538, 101710), (1076, 50855), (1345, 40684), (1453, 37660), (1883, 29060), (2690, 20342), (2906, 18830), (3766, 14530), (5380, 10171), (5812, 9415), (7265, 7532)]