131401340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{7057}}^1$

素因数の和:7099

約数の個数: 72

約数和(自身を含む): 337937040

約数和(自身を除く): 206535700

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 380, 490, 532, 665, 931, 980, 1330, 1862, 2660, 3724, 4655, 7057, 9310, 14114, 18620, 28228, 35285, 49399, 70570, 98798, 134083, 141140, 197596, 246995, 268166, 345793, 493990, 536332, 670415, 691586, 938581, 987980, 1340830, 1383172, 1728965, 1877162, 2681660, 3457930, 3754324, 4692905, 6570067, 6915860, 9385810, 13140134, 18771620, 26280268, 32850335, 65700670, 131401340]

約数ペア:

[(1, 131401340), (2, 65700670), (4, 32850335), (5, 26280268), (7, 18771620), (10, 13140134), (14, 9385810), (19, 6915860), (20, 6570067), (28, 4692905), (35, 3754324), (38, 3457930), (49, 2681660), (70, 1877162), (76, 1728965), (95, 1383172), (98, 1340830), (133, 987980), (140, 938581), (190, 691586), (196, 670415), (245, 536332), (266, 493990), (380, 345793), (490, 268166), (532, 246995), (665, 197596), (931, 141140), (980, 134083), (1330, 98798), (1862, 70570), (2660, 49399), (3724, 35285), (4655, 28228), (7057, 18620), (9310, 14114)]