1027780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:148

約数の個数: 48

約数和(自身を含む): 2399040

約数和(自身を除く): 1371260

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 59, 65, 67, 118, 130, 134, 236, 260, 268, 295, 335, 590, 670, 767, 871, 1180, 1340, 1534, 1742, 3068, 3484, 3835, 3953, 4355, 7670, 7906, 8710, 15340, 15812, 17420, 19765, 39530, 51389, 79060, 102778, 205556, 256945, 513890, 1027780]

約数ペア:

[(1, 1027780), (2, 513890), (4, 256945), (5, 205556), (10, 102778), (13, 79060), (20, 51389), (26, 39530), (52, 19765), (59, 17420), (65, 15812), (67, 15340), (118, 8710), (130, 7906), (134, 7670), (236, 4355), (260, 3953), (268, 3835), (295, 3484), (335, 3068), (590, 1742), (670, 1534), (767, 1340), (871, 1180)]