15394220

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{293}}^1$

素因数の和:410

約数の個数: 48

約数和(自身を含む): 33784128

約数和(自身を除く): 18389908

約数列:

[1, 2, 4, 5, 10, 20, 37, 71, 74, 142, 148, 185, 284, 293, 355, 370, 586, 710, 740, 1172, 1420, 1465, 2627, 2930, 5254, 5860, 10508, 10841, 13135, 20803, 21682, 26270, 41606, 43364, 52540, 54205, 83212, 104015, 108410, 208030, 216820, 416060, 769711, 1539422, 3078844, 3848555, 7697110, 15394220]

約数ペア:

[(1, 15394220), (2, 7697110), (4, 3848555), (5, 3078844), (10, 1539422), (20, 769711), (37, 416060), (71, 216820), (74, 208030), (142, 108410), (148, 104015), (185, 83212), (284, 54205), (293, 52540), (355, 43364), (370, 41606), (586, 26270), (710, 21682), (740, 20803), (1172, 13135), (1420, 10841), (1465, 10508), (2627, 5860), (2930, 5254)]