1385020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{761}}^1$

素因数の和:790

約数の個数: 48

約数和(自身を含む): 3584448

約数和(自身を除く): 2199428

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 761, 910, 1522, 1820, 3044, 3805, 5327, 7610, 9893, 10654, 15220, 19786, 21308, 26635, 39572, 49465, 53270, 69251, 98930, 106540, 138502, 197860, 277004, 346255, 692510, 1385020]

約数ペア:

[(1, 1385020), (2, 692510), (4, 346255), (5, 277004), (7, 197860), (10, 138502), (13, 106540), (14, 98930), (20, 69251), (26, 53270), (28, 49465), (35, 39572), (52, 26635), (65, 21308), (70, 19786), (91, 15220), (130, 10654), (140, 9893), (182, 7610), (260, 5327), (364, 3805), (455, 3044), (761, 1820), (910, 1522)]