127658980

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{1451}}^1$

素因数の和:1596

約数の個数: 48

約数和(自身を含む): 276623424

約数和(自身を除く): 148964444

約数列:

[1, 2, 4, 5, 10, 20, 53, 83, 106, 166, 212, 265, 332, 415, 530, 830, 1060, 1451, 1660, 2902, 4399, 5804, 7255, 8798, 14510, 17596, 21995, 29020, 43990, 76903, 87980, 120433, 153806, 240866, 307612, 384515, 481732, 602165, 769030, 1204330, 1538060, 2408660, 6382949, 12765898, 25531796, 31914745, 63829490, 127658980]

約数ペア:

[(1, 127658980), (2, 63829490), (4, 31914745), (5, 25531796), (10, 12765898), (20, 6382949), (53, 2408660), (83, 1538060), (106, 1204330), (166, 769030), (212, 602165), (265, 481732), (332, 384515), (415, 307612), (530, 240866), (830, 153806), (1060, 120433), (1451, 87980), (1660, 76903), (2902, 43990), (4399, 29020), (5804, 21995), (7255, 17596), (8798, 14510)]