28304680

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37243}}^1$

素因数の和:37273

約数の個数: 32

約数和(自身を含む): 67039200

約数和(自身を除く): 38734520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 37243, 74486, 148972, 186215, 297944, 372430, 707617, 744860, 1415234, 1489720, 2830468, 3538085, 5660936, 7076170, 14152340, 28304680]

約数ペア:

[(1, 28304680), (2, 14152340), (4, 7076170), (5, 5660936), (8, 3538085), (10, 2830468), (19, 1489720), (20, 1415234), (38, 744860), (40, 707617), (76, 372430), (95, 297944), (152, 186215), (190, 148972), (380, 74486), (760, 37243)]