1948180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1$

素因数の和:208

約数の個数: 48

約数和(自身を含む): 4515840

約数和(自身を除く): 2567660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 59, 65, 118, 127, 130, 236, 254, 260, 295, 508, 590, 635, 767, 1180, 1270, 1534, 1651, 2540, 3068, 3302, 3835, 6604, 7493, 7670, 8255, 14986, 15340, 16510, 29972, 33020, 37465, 74930, 97409, 149860, 194818, 389636, 487045, 974090, 1948180]

約数ペア:

[(1, 1948180), (2, 974090), (4, 487045), (5, 389636), (10, 194818), (13, 149860), (20, 97409), (26, 74930), (52, 37465), (59, 33020), (65, 29972), (118, 16510), (127, 15340), (130, 14986), (236, 8255), (254, 7670), (260, 7493), (295, 6604), (508, 3835), (590, 3302), (635, 3068), (767, 2540), (1180, 1651), (1270, 1534)]