2180406670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{19709}}^1$

素因数の和:19789

約数の個数: 64

約数和(自身を含む): 4529831040

約数和(自身を除く): 2349424370

約数列:

[1, 2, 5, 10, 13, 23, 26, 37, 46, 65, 74, 115, 130, 185, 230, 299, 370, 481, 598, 851, 962, 1495, 1702, 2405, 2990, 4255, 4810, 8510, 11063, 19709, 22126, 39418, 55315, 98545, 110630, 197090, 256217, 453307, 512434, 729233, 906614, 1281085, 1458466, 2266535, 2562170, 3646165, 4533070, 5892991, 7292330, 9480029, 11785982, 16772359, 18960058, 29464955, 33544718, 47400145, 58929910, 83861795, 94800290, 167723590, 218040667, 436081334, 1090203335, 2180406670]

約数ペア:

[(1, 2180406670), (2, 1090203335), (5, 436081334), (10, 218040667), (13, 167723590), (23, 94800290), (26, 83861795), (37, 58929910), (46, 47400145), (65, 33544718), (74, 29464955), (115, 18960058), (130, 16772359), (185, 11785982), (230, 9480029), (299, 7292330), (370, 5892991), (481, 4533070), (598, 3646165), (851, 2562170), (962, 2266535), (1495, 1458466), (1702, 1281085), (2405, 906614), (2990, 729233), (4255, 512434), (4810, 453307), (8510, 256217), (11063, 197090), (19709, 110630), (22126, 98545), (39418, 55315)]