208047580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{2731}}^1$

素因数の和:3046

約数の個数: 48

約数和(自身を含む): 472286304

約数和(自身を除く): 264238724

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 293, 586, 1172, 1465, 2731, 2930, 3809, 5462, 5860, 7618, 10924, 13655, 15236, 19045, 27310, 35503, 38090, 54620, 71006, 76180, 142012, 177515, 355030, 710060, 800183, 1600366, 3200732, 4000915, 8001830, 10402379, 16003660, 20804758, 41609516, 52011895, 104023790, 208047580]

約数ペア:

[(1, 208047580), (2, 104023790), (4, 52011895), (5, 41609516), (10, 20804758), (13, 16003660), (20, 10402379), (26, 8001830), (52, 4000915), (65, 3200732), (130, 1600366), (260, 800183), (293, 710060), (586, 355030), (1172, 177515), (1465, 142012), (2731, 76180), (2930, 71006), (3809, 54620), (5462, 38090), (5860, 35503), (7618, 27310), (10924, 19045), (13655, 15236)]