131416040

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{67049}}^1$

素因数の和:67074

約数の個数: 48

約数和(自身を含む): 343966500

約数和(自身を除く): 212550460

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 67049, 134098, 268196, 335245, 469343, 536392, 670490, 938686, 1340980, 1877372, 2346715, 2681960, 3285401, 3754744, 4693430, 6570802, 9386860, 13141604, 16427005, 18773720, 26283208, 32854010, 65708020, 131416040]

約数ペア:

[(1, 131416040), (2, 65708020), (4, 32854010), (5, 26283208), (7, 18773720), (8, 16427005), (10, 13141604), (14, 9386860), (20, 6570802), (28, 4693430), (35, 3754744), (40, 3285401), (49, 2681960), (56, 2346715), (70, 1877372), (98, 1340980), (140, 938686), (196, 670490), (245, 536392), (280, 469343), (392, 335245), (490, 268196), (980, 134098), (1960, 67049)]