199981460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{75181}}^1$

素因数の和:75216

約数の個数: 48

約数和(自身を含む): 505223040

約数和(自身を除く): 305241580

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 75181, 150362, 300724, 375905, 526267, 751810, 1052534, 1428439, 1503620, 2105068, 2631335, 2856878, 5262670, 5713756, 7142195, 9999073, 10525340, 14284390, 19998146, 28568780, 39996292, 49995365, 99990730, 199981460]

約数ペア:

[(1, 199981460), (2, 99990730), (4, 49995365), (5, 39996292), (7, 28568780), (10, 19998146), (14, 14284390), (19, 10525340), (20, 9999073), (28, 7142195), (35, 5713756), (38, 5262670), (70, 2856878), (76, 2631335), (95, 2105068), (133, 1503620), (140, 1428439), (190, 1052534), (266, 751810), (380, 526267), (532, 375905), (665, 300724), (1330, 150362), (2660, 75181)]