8714540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{71}}^1$

素因数の和:135

約数の個数: 72

約数和(自身を含む): 20738592

約数和(自身を除く): 12024052

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 71, 76, 85, 95, 142, 170, 190, 284, 323, 340, 355, 361, 380, 646, 710, 722, 1207, 1292, 1349, 1420, 1444, 1615, 1805, 2414, 2698, 3230, 3610, 4828, 5396, 6035, 6137, 6460, 6745, 7220, 12070, 12274, 13490, 22933, 24140, 24548, 25631, 26980, 30685, 45866, 51262, 61370, 91732, 102524, 114665, 122740, 128155, 229330, 256310, 435727, 458660, 512620, 871454, 1742908, 2178635, 4357270, 8714540]

約数ペア:

[(1, 8714540), (2, 4357270), (4, 2178635), (5, 1742908), (10, 871454), (17, 512620), (19, 458660), (20, 435727), (34, 256310), (38, 229330), (68, 128155), (71, 122740), (76, 114665), (85, 102524), (95, 91732), (142, 61370), (170, 51262), (190, 45866), (284, 30685), (323, 26980), (340, 25631), (355, 24548), (361, 24140), (380, 22933), (646, 13490), (710, 12274), (722, 12070), (1207, 7220), (1292, 6745), (1349, 6460), (1420, 6137), (1444, 6035), (1615, 5396), (1805, 4828), (2414, 3610), (2698, 3230)]